A student boiled a pot of water on the stove until there was nothing left. If he started with 100 grams of water, how many grams of water vapor did he produce?

Answers

Answer 1

Answer:

100 grams

Explanation:

If there is nothing left that means that all of the 100 grams have become water vapors

Answer 2

He produced 100 grams of water vapor in such a way that nothing was left, which means that all the water vapor of 100 grams has become.

What is Water vapor?

Water vapor is also called aqueous vapor is defined as the gaseous phase of water which is a state of water within the hydrosphere. Water vapor can result from the evaporation or boiling of liquid water, or from the sublimation of ice that is transparent, as are most components of the atmosphere.

When water absorbs a sufficient amount of heat it becomes a gas known as water vapour, where the process is called evaporation. The water vapor (steam) mixes with the air and appears as water boils in a teapot and escapes into the air.

Thus, the student produced 100 grams of water vapor in such a way that nothing was left, which means that all the water vapor of 100 grams has become.

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Related Questions

Help pleasee | A damselfly nymph sheds its skin several times, as it grows into an adult. Which statement explains why it does this? No links!!!
A. It is a mammal.
B. It is an invertebrate.
C. It goes through complete metamorphosis.
D. It goes through incomplete metamorphosis.

Answers

Answer:

D. It goes through incomplete metamorphosis.

Explanation:

Damselflies do not hide away inside a pupa to transform into their adult form. Instead, they shed their skin several times as they grow, changing shape a little each time. This process is called incomplete metamorphosis.

For each - choose either peroxisome or lysosome, both or neither Group of answer choices uses hydrolases lysosome uses the enzyme catalase peroxisome is one of the main sites of fatty acid breakdown peroxisome combines with endosomes to digest ingested matter lysosome capable of converting hydrogen peroxide to water and oxygen peroxisome destroys engulfed bacteria both lysosome and peroxisome main role is metabolism both lysosome and peroxisome digestive interior is acidic lysosome proteins are derived from the endoplasmic reticulum

Answers

Answer:

Uses hydrolases -lysosome

Uses the enzyme catalase- peroxisome

Is one of the main sites of fatty acid breakdown- peroxisome

Combines with endosomes to digest ingested matter- lysosome

Capable of converting hydrogen peroxide to water and oxygen- peroxisome

Destroys engulfed bacteria- lysosome

Main role is metabolism- both lysosome and peroxisome

Digestive interior is acidic- lysosome

Proteins are derived from the endoplasmic reticulum- Peroxisome

Explanation:

The lysosome is a membrane-bound organelle found within a cell whose main function is to ensure the break down of biological polymers, such as proteins and polysaccharides. It is comprised of enzymes that are degradative in nature that can degrade biological polymers such as proteins, nucleic acids, lipids, etc. They contain various types of hydrolytic enzymes such as proteases, nucleases, glycosidases, lipases, phospholipases, phosphatases, and sulfatase. These enzymes are acid hydrolases as they function in the acidic environment of the lysosome. Lysosomes are also used by the cell to destroy invading viruses and bacteria.

Peroxisomes are membrane-bound organelles found within the cytoplasm of a cell. They are derived from the edoplasmic reticulum. Peroxisomes are involved in lipid biosynthesis, for example, cholesterol and dolichol are synthesized in peroxisomes. Peroxisomes are also involved in the synthesis of bile acids from cholesterol.

Peroxisomes contain enzymes that oxidize fatty acids and amino acids. Peroxisomes also contain enzymes such as catalase that convert hydrogen peroxide to water and oxygen preventing oxidative damage by these reactive oxygen species.

Matter constantly cycles through the earth's spheres using many different processes. Photosynthesis and cellular respiration are
two important processes in this cycling of matter. The products of photosynthesis are reactants in cellular respiration. The
products of cellular respiration are the reactants of photosynthesis. This model shows the cycling of matter through these cycles.
The model is unlabeled. Correctly label the products and reactants of cellular respiration. Choose ALL that apply.
A)
A = ATP
B)
B = CO2 + H20
C
A = C6H1206
D)
D = 02 + C6H1206
E)
B = 02 + C6H1206

Answers

Answer:

A) A = ATP

B) B = CO2 + H2O

D) D = O2 + C6H12O6

Explanation:

The process of photosynthesis and cellular respiration mutually depends on one another. In this diagram, A represents ATP, B represents C[tex]O_2[/tex] + [tex]H_2O[/tex], C represents sunlight, and D represents [tex]C_6H_1_2O_6 + O_2[/tex].

What do you mean by Photosynthesis?

Photosynthesis may be defined as a process through which plants synthesize their own food with the help of carbon dioxide and water in the presence of sunlight.

Mitochondria release energy in form of ATP, while carbon dioxide and water serve as the reactant for photosynthesis. In presence of sunlight, they convert into glucose and oxygen which is the product of photosynthesis.  

Both photosynthesis and cellular respiration mediate the cycling of matter like oxygen, glucose, carbon dioxide, etc.

Therefore, it is well described above.

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What do all animals, including vertebrates and invertebrates, have in common?

Question 1 options:

They have backbones, internal skeletons, and muscles.


They are heterotrophs that must get their food from plants or other animals.


They have lungs or gills for breathing.


They are endothermic (warm-blooded).

Question 2 (1 point)
Saved
All animals share several common characteristics. Which is a characteristic shared by all animals?

Question 2 options:

endoskeletons and muscles


sensory organs and backbones


multi-cellular bodies


exothermic blood systems

Question 3 (1 point)
Sam’s teacher asked him to make observations about animals at the zoo. Sam went to the zoo and filled in these two charts that the teacher gave him.



What is the main difference between the species in Group 1 and Group 2?

Question 3 options:

Group 1 has small organisms, Group 2 has large organisms.


Group 1 are endothermic, Group 2 are exothermic.


Group 1 are vertebrates, Group 2 are invertebrates.


Group 1 has exoskeletons, Group 2 has soft bodies.

Question 4 (1 point)
Which of the following is a characteristic of all mammals?
Question 4 options:

lungs


hair


tail


both 1 and 2

Question 5 (1 point)
What is the benefit of an arthropod’s exoskeleton.

Question 5 options:

It allows arthropods to breathe.


It protects and supports the arthropod’s body.


It allows the arthropod to get food.


It allows the arthropod to see far distances.

Question 6 (1 point)
What do arthropods and segmented worms have in common?

Question 6 options:

They both have segmented bodies during some stage of their life.


They both have hard outer shells that are unmovable.


They both have bones and vertebrae.


They both lack any sense organs.

Question 7 (1 point)
To which group of invertebrates do cephalopods, such as squids, belong?



Question 7 options:

Arthropods


Echinoderms


Cnidarians


Mollusks

Question 8 (1 point)
Sweat glands, fur, and feathers are found on an endotherm.

Question 8 options:

True


False

Question 9 (1 point)
Vertebrates and invertebrates differ in the presence of a backbone. Another characteristic that distinguishes most vertebrates from many invertebrates, is that vertebrates —

Question 9 options:

have a relatively well-developed brain and circulatory system.


have long tube-like bodies that are divided into segments.


take in oxygen from their skins rather than from an inside organ.


have hard outer covering called exoskeletons.

Question 10 (1 point)
During chilly days, you might notice lizards lying (“basking”) in sunny areas. Why do lizards bask in the sun?

Question 10 options:

Ectothemic animals are lazy and the sun puts them to sleep.


Ectothermic animals need to get tanned by the sun's rays for camouflage.


Ectothermic animals use the suns rays to help them hide from enemies.


Ectothermic animals need the warmth from the sun to allow them to move around and hunt for food.

Question 11 (1 point)
Which group of animals could be correctly classified as endothermic?



Question 11 options:

robin, squirrels, mice


bears, snakes, wolves


frogs, lizards, snakes


groundhogs, hawks, crab

Question 12 (1 point)


Using the table, which statement is true?

Question 12 options:

Organisms in both Groups A and B have similar mechanisms for controlling their internal temperatures.


Organisms in Group A have fewer mechanisms for controlling their internal temperatures than those in Group B.


Organisms in both Group A and B usually coexist peacefully.


Organisms in both Group A and B are extinct species.

Question 13 (1 point)
How do “warm-blooded” animals cool off?

Question 13 options:

They convert the food they eat into cool energy.


They sweat or pant to lose heat by water evaporation.


They move to colder climates.


They move around a lot to stimulate their circulation.

Question 14 (1 point)
An animal takes on the temperature of their surroundings so they don't have to use food energy to keep warm. This means they don’t have to eat as often. They are considered an __?

Question 14 options:

Endotherm


Ectotherm

Question 15 (1 point)
Which of these factors is used to classify the different organisms on Earth into Kingdoms (such as protists, fungi, plant, animals, and bacteria) ?

I Number of cells in the organism

II How the organism obtains energy

Question 15 options:

I only


II only


I and II

Question 16 (1 point)
It's sunny in New York, but it is cool. Where would you expect to find this lizard during the day?



Question 16 options:

Under a rock


In a damp stream bed


Basking in a sunny spot


In a hole in the ground

Answers

Answer:

the first one is correct

Explanation:

all a

1. What do all animals, including vertebrates and invertebrates, have in common?

They have backbones, internal skeletons, and muscles.

2. All animals share several common characteristics. Which is a characteristic shared by all animals?

Endoskeletons and muscles.

3. Which of the following is a characteristic of all mammals?

both 1 and 2.

4. What is the benefit of an arthropod’s exoskeleton.

It protects and supports the arthropod’s body.

5. What do arthropods and segmented worms have in common?

They both have segmented bodies during some stage of their life.

6. Sweat glands, fur, and feathers are found on an endotherm?

True.

7. Vertebrates and invertebrates differ in the presence of a backbone. Another characteristic that distinguishes most vertebrates from many invertebrates, is that vertebrates?

Take in oxygen from their skins rather than from an inside organ.

8. During chilly days, you might notice lizards lying (“basking”) in sunny areas. Why do lizards bask in the sun?

Ectothermic animals need the warmth from the sun to allow them to move around and hunt for food.

9. Which group of animals could be correctly classified as endothermic?

Robin, squirrels, mice.

10. How do “warm-blooded” animals cool off?

They sweat or pant to lose heat by water evaporation.

11. An animal takes on the temperature of their surroundings so they don't have to use food energy to keep warm. This means they don’t have to eat as often. They are considered an __?

Ectotherm.

Thus, these are the answer to the following questions.

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Should humans use synthetic materials that have natural material that is the same chemically? PLZ I NEED THIS NOW

Answers

Answer:

It Depends . Like Some People Use Fake Skin For Tattoos , Made To Practice Stitches , Or Injections .. It Just Really Depends On What You Are Doing If This Helps ..

In a flock of birds, parents can raise small clutches on their own but can increase their clutch size if they have a helper. You want to see if altruistic behavior is likely to spread. To do this you observed a male bird that stayed at his birth nest for a year to help raise the offspring of his father and his stepmother (the original mother died) and then built his own nest the following year. You calculated direct fitness (cost) for the male bird by counting the number of offspring he produced in one year and multiplied it by ½ due to the relatedness between parents and offspring. To calculate his indirect fitness (benefit), you took the total number of offspring produced in his birth nest by his father and stepmother when he assisted them and multiplied it by ½. To determine if this altruistic behavior would spread you subtracted the cost from the benefit to determine whether it was greater than 1. What did you do wrong

Answers

Answer:

The mistakes made

Altruistic behavior is measured as ; b - c > 0  and not b - c > 1 relatedness for half siblings = 0.25 and not 1/2

Explanation:

The relatedness between ; Mother, father, daughter and son = 0.5 ( 1/2 )  which is included in the direct fitness category  ( For the MALE bird )

The relatedness for the Half brother and Half sister of the male bird = 0.25 ( 1/4 ) ( indirect fitness )

hence applying  Hamilton's rule

Relatedness = rb - c > 0

where b = benefit , c = cost

∴Total fitness = ∑ direct fitness + ∑ indirect fitness

                       = 0.5x + 0.25y

hence the mistakes made

Altruistic behavior is measured as ; b - c > 0  and not b - c > 1 relatedness for half siblings = 0.25 and not 1/2

the process by which the characteristics of a species change over many generations in response to the environment
variation
variation

adaptation
adaptation

natural selection
natural selection

Evolution

Answers

The answer is Adaptation

Which type of weather do anticyclones bring?

Answers

Answer:

i think anticyclone weather bring us lots of cold weather and snow

Answer:

Anti cyclone bring us very cold, crisp bright winter days and warm sunny summer weather.

Explanation:

33. There is never any competition for food or living space among living organisms.
True
False

Answers

I believe that the answers is false

Answer:false

Explanation:

How did NASA help to uncover the adaptations that are made due to living in extreme environments?

By analyzing changes in one twin on Earth and the other in space.
By introducing animals and other organisms that could be studied in space.
By running experiments on astronauts that were in space for over a year
By observing changes in retired astronauts over a period of ten years.

Answers

Answer:

A

Explanation:

I took this at flvsa lol

What influences other than humans affect genetic drift in populations?

Answers

Answer:

Every population experiences genetic drift, but small populations feel its effects more strongly. Genetic drift does not take into account an allele's adaptive value to a population, and it may result in loss of a beneficial allele or fixation (rise to 100% frequency) of a harmful allele in a population.

Explanation:

The average adult (like Hank) is _________% water, ________% protein, _______% fat, _______% minerals, and _______% carbohydrates. 2. All the macromolecules that make you up come from ______________________________. 3. __________________________ reactions destroy the reactants that you give them, making big, complex substances smaller and __________________________ reactions reassemble the smaller products into new, bigger products. The processes behind these two sets of reactions make up your

Answers

Answer: 64% water, 14% protein, 16% fat, 4% minerals 1% carbohydrates

Explanation:

It’s what he says in the video

1. 64% water, 14% protein, 16% fat, 4% minerals and 1% carbohydrates

2. Macromolecules come from Food

3. Catabolic, Anabolic, and Metabolism

What do you mean by metabolism?

Metabolism is the set of life-sustaining chemical reactions in organisms. The three main purposes of metabolism are: the conversion of the energy in food to energy available to run cellular processes.

Moreover, it is the process by which the body changes food and drink into energy. During this process, calories in food and drinks mix with oxygen to make the energy the body needs. Even at rest, a body needs energy for all it does.

Hence, if your metabolism is "high" (or fast), you will burn more calories at rest and during activity. A high metabolism means you'll need to take in more calories to maintain your weight. That's one reason why some people can eat more than others without gaining weight.

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the gas made by respiratin is called what​

Answers

carbon dioxide.

a gas produced by animals during respiration that plants use to make food, water, and oxygen.

hope this helps :)

The main function of cell respiration is to produce A. glucose B. NADH and FADH2. C. CO2. D.mitochondria E. ATP.​
Again No links thank you!

Answers

shhsshshshshshshhshshs

Fibroblasts can be placed on thin sheets of silicone rubber. Under normal circumstances, fibroblasts exert sufficient tension on the rubber so that it visibly wrinkles. Explain how the ability of fibroblasts to wrinkle rubber would change if the cells were treated with a permeable form of C3 transferase, a toxin (from the bacterium Clostridium botulinum) that covalently modifies an amino acid in Rho. The modification renders Rho unable to bind to proteins that it would normally bind to when active.

Answers

Answer:

C3 transferase decreases Rho activity and contractility by decreasing the number of stress fibers and thus also reducing wrinkles

Explanation:

Rho protein is a small GTPase, i.e., an enzyme that binds GTP to hydrolyze it to GDP, which is known to mediate the formation of stress fibers and focal adhesion. Rho protein is involved in diverse cellular functions including, among others, adhesion, motility, and division by reorganization of the actin cytoskeleton. The bacterial toxin C3 transferase derived from Clostridium botulinum is able to lock Rho in an inactive state. C3 transferase adds an ADP-ribose to Rho, thereby leading to the accumulation of a Rho-guanine nucleotide dissociation inhibitor (GDI) complex in the cytoplasm. In consequence, C3 transferase functions to decrease contractility by blocking Rho activity, decreasing the number of stress fibers and leading to a reduction in wrinkles.

What
is a difference between systemic and pulmonary circulation?

Answers

Answer:

Systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs.

Hope this helps!

How are giraffes able to feed on an acacia tree despite the tree's long thorns?
A. Giraffes don't eat acacia trees.
B. Giraffes have a long neck that they can maneuver between the thorns.
C. Giraffes have a long, mobile tongue that can maneuver between the thorns.
D.Giraffes produce saliva that dissolves the thorns.

Answers

Answer:

C. Giraffes have a long, mobile tounge that can maneuver between the thorns.

Explanation:

I took the test :D

The gulf flounder is a fish that is found in the Gulf of Mexico. It
migrates between estuaries and the open ocean. It prefers to live
in water with > 2% salinity, though can tolerate a wide range of
salinity, from 0.5% to 4%.
Choose the correct statement about the gulf flounder.
The gulf flounder is stenohaline.
The gulf flounder prefers to live in freshwater over saline water.
The gulf flounder possesses the ability to prevent the intake of
excess salt.
The gulf founder is not found in brackish water.

Answers

Answer: the gulf flounder possesses the ability to prevent the intake of excess salt

Explanation:

I did the tutorial

PLEASE HELP WILL GIVE BRAINLIEST

In what order do species appear during primary and
secondary succession?

Answers

Answer:

here you go :)

Explanation:

Primary succession is one of two types of biological and ecological succession of plant life, occurring in an environment in which new substrate devoid of vegetation and other organisms usually lacking soil, such as a lava flow or area left from retreated glacier, is deposited. In other words, it is the gradual growth of an ecosystem over a longer period of time.

In the primary succession, species like algae, fungi, and lichens are preset. In the secondary succession, the pioneer species present, that already existed in the environment.

What are primary and secondary succession?

One of two types of biological and ecological succession of plant life. They are primary succession that takes place in environments where fresh substrate is deposited that is devoid of plants and other species that typically lack soil, such as lava flows or areas left behind from glaciers that have receded.  

In other words, it is the steady development of an ecosystem through time.

Thus, Algae, fungus, and lichen species are established during the primary succession. The pioneer species that were previously existing in the habitat are found in the secondary succession.

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Rainforests are not found in
a. Alaska
b. Greenland
C. Australia
d. Africa
Please select the best answer from the choices provided
A
B
C
D

Answers

Answer:

B. Greenland

Explanation:

Rainforests are found in Alaska, Australia, and Africa, but not Greenland.

I believe the answer is B hope it helps

. The average adult (like Hank) is _________% water, ________% protein, _______% fat, _______% minerals, and _______% carbohydrates. 2. All the macromolecules that make you up come from ______________________________. 3. __________________________ reactions destroy the reactants that you give them, making big, complex substances smaller and __________________________ reactions reassemble the smaller products into new, bigger products. The processes behind these two sets of reactions make up your

Answers

Answer:

1. 62 percent water, 16 percent fat, 16 percent protein, 6 percent minerals, and less than 1 percent carbohydrate, along with very small amounts of vitamins and other miscellaneous substances.

2. Food.

3. Catabolic, Anabolic, Metabolism

The Offspring produced by a cross between two given types of plants can be any of the three genotypes denoted by A, B, and C. A theoretical model of any of the three genotypes denoted by A, B, and C should be in the ratio 1:2:1. For experimental verification, 100 plants are bred by crossing the two given types. Their genetic classifications are recorded. Do these data contradict the genetic model

Answers

Complete question:

The offspring produced between two given types of plants can be any of the three genotypes, denoted by A, B and C. A theoretical model of gene inheritance suggests that the offspring of types A, B and C should be in a 1:2:1 ratio (meaning 25% A, 50% B, and 25% C). For experimental verification, 100 plants are bred by crossing the two given types. Their genetic classifications are recorded in the table below.

Genotype       Observed frequency

    A             →        18 individuals

    B             →        55 individuals

    C             →        27 individuals

Do these contradict the genetic model?  

Use a 0.05 level of significance.

Determine the chi-square test statistic.

Answer:

Do these contradict the genetic model? No, according to the chi-square test, there is not enough evidence to reject the null hypothesis of the population being in equilibrium.  

Explanation:

Available data:

Crossed genotypes: twoGenotypes among the offspring; Three → A, B, and CExpected phenotypic ratio → 1:2:1Total number of individuals, N = 100A = 18 individualsB = 55 individualsC = 27 individuals

So, let us first state the hypothesis:

H₀= the population is equilibrium for this locus → F(A) = 25%,  F(B) = 50%, F(C) = 25%  H₁ = the population is not in equilibrium

Now, let us calculate the number of expected individuals, according to their expected ratio.

4 -------------- 100% -------------100 individuals

1 ---------------  25% -------------X = 25 individuals A

2 --------------  50% -------------X = 50 individuals B

1----------------- 25%--------------X = 25 individuals C

                                                  A                             B                           C

Observed                         18                            55                         27 Expected                         25                           50                         25 (Obs-Exp)²/Exp                1.96                        0.5                        0.16

(Obs-Exp)²/Exp

A)  (18 - 25)²/25 = 49/25 = 1.96

B)  (55 - 50)² / 50 = 25/50 = 0.5

C)  (27 - 25)²/25 = 4/25 = 0.16

Chi square = X² = Σ(Obs-Exp)²/Exp  

∑ is the sum of the terms O are the Observed individuals: 2 in chamber B, and 18 in chamber A.  E are the Expected individuals: 10 in each chamber  

= ∑ ((O-E)²/E) = 1.96 + 0.5 + 0.16 = 2.62

Freedom degrees = 2

Significance level, 5% = 0.05  

Table value/Critical value = 5.99

X² < Critical value

2.62 < 5.99    

These results suggest that there is not enough evidence to reject the null hypothesis. We can assume that the locus under study in this population is in equilibrium H-W.  

 

What is the name of the process that will move molecules into the cell?

Answers

Answer:

endocytosis is also called phagocytosis.

Explanation:

Pls mark brainliest

Answer:

It is possible for large molecules to enter a cell by a process called endocytosis, where a small piece of the cell membrane wraps around the particle and is brought into the cell. If the particle is solid, endocytosis is also called phagocytosis.

Explanation:

Also can i have Brainlist plz

Recall in class the example of incorporating heavy or light nitrogen labels into DNA to investigate how DNA is replicated. Imagine if, instead of labeling DNA, the experiment used heavy labeled RNA bases. What would be the outcome if you examined the DNA strands after completion of DNA replication in the presence of heavy labeled RNA bases?

Answers

Answer: You would not notice any difference or any labeled base, because RNA is not used to make DNA.

Explanation:

DNA is a molecule that contains the genetic information in all living things. The molecule consists of two strands that wind around each other to form a double helix structure where the strands are joined by hydrogen bonds. It is a nucleotide polymer where each nucleotide consists of a sugar called deoxyribose, a nitrogenous base (which can be adenine, thymine, cytosine or guanine) and a phosphate group (derived from phosphoric acid). What distinguishes one polynucleotide from another, is the nitrogenous base and thus the sequence of DNA is specified by naming only the sequence of its bases. The sequential arrangement of these four bases along the chain is what encodes the genetic information.

Consider that DNA replication is semi-conservative, which means that each strand of the DNA double helix functions as a template for the synthesis of a new complementary strand.  This process leads from one starting molecule to two "daughter" molecules, in which each new double helix contains one new and one old strand. Then, if nitrogen tags are incorporated into the DNA, they will register on the old strand of the new DNA molecule.

On the other hand, RNA (ribonucleic acid) is a molecule similar to DNA but has only one strand and consists of a sugar (ribose) and alternating phosphate groups. Attached to each sugar is one of the four bases adenine, uracil, cytosine or guanine. The process of RNA synthesis, called transcription, consists of making a complementary copy of a piece of DNA. During this process, an enzyme called ARN polymerase, adds nucleotides that are complementary to the DNA strand. Then, this new RNA strand has new nucleotides. Thereby, if you examine the DNA strands after completion of DNA replication in the presence of heavy labeled RNA bases, you would not notice any difference or any labeled base, because RNA is not used to make DNA.

Plz help me well mark brainliest if you are correct!

Answers

Answer:

Explanation:

Uh this is gonna be kinda hard cause they are all examples of renewable resources. . .

but I would just say go with what the other pearson said :D

check this for me pls

Answers

Answer:

it's both A and B for your answer

Explanation:

both genders can get this disease since it's being past down to their children or offspring, some may get that gene and some might not.

Which statements describe the effects of indoor pollution? Select two options.
Ultrafine particles cause poor health.
Nose hairs and mucus catch all the particles before they reach the lungs
Ultrafine particles are absorbed by the lungs when people breathe.
Ultrafine particles contribute to more than 20,000 deaths per year in the United States.
Most ultrafine particles can be seen with the unaided eye.

Answers

Answer:

A and C

Explanation:

The negative health impacts of indoor pollution are caused by ultrafine particles that are inhaled and absorbed by the lungs. So, the correct options are A and C.

What are Indoor pollution?

Indoor air pollution, which can be as much as ten times worse than outside air pollution, is indeed the degradation in indoor air quality caused by hazardous chemicals and other elements. This is because enclosed rooms encourage the accumulation of possible contaminants more than do open ones.

The main contributors to indoor air pollution include: Bioaerosols, building materials, and combustion Although radon, asbestos, pesticides, toxic substances, organic volatile compounds, and environmental tobacco smoke are all regarded as serious indoor pollutants in industrialised countries, developing countries are primarily affected by the combustion byproducts of biomass fuels.

The negative health impacts of indoor pollution are caused by ultrafine particles that are inhaled and absorbed by the lungs.

Therefore, the correct options are A and C.

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Scientific ideas are open to being revised. Which of the following would most likely lead to a scientific idea being revised?

1. A scientist makes observations to test an older idea.
2. A scientist raises new questions about an older idea.
3. A scientist has a new idea that goes against an older idea.
4. A scientist collects data that fails to support an older idea.

Answers

Answer: Number 2

Explanation: As researchers explore the world through new scientific studies and observations, new evidence may challenge existing and well-known theories. The scientific process allows for the consideration of new evidence that, if credible, may result in revisions or changes to current understanding.

what is ovary in plants?

Answers

Explanation:

Ovary, in botany, enlarged basal portion of the pistil, the female organ of a flower.

The ovary contains ovules, which develop into seeds upon fertilization.

The ovary itself will mature into a fruit, either dry or fleshy, enclosing the seeds.

Answer:

The ovary is the enlarged basal portion of the pistil, the female organ of a flower.

The ovary contains ovules, which develop into seeds upon fertilization. The ovary itself will mature into a fruit, either dry or fleshy, enclosing the seeds.

Explanation:

Submit your summary about a federal law and a summary about a state law. Remember to proofread your work before submitting.

Answers

Where is the story?
But su
Other Questions
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