HELLPPP!!!! I asked this multiple times can sum1 please help:(((

Which of the following is the MOST common source of indoor air pollutants in less-developed countries?

A. poorly ventilated cooking fires
B. carbon monoxide from vehicles
C. cleaning solvents
D. air-conditioning units

Answers

Answer 1

Answer:

I think it's A. poorly ventilated cooking fires.

I hope you get it right!


Related Questions

True or False: If you look more like your father than your mother, then you received more traits from your father.

Answers

True is my answer .....

Examine the photograph. Identify at least three natural resources being used. Describe where each natural resource came from.

Answers

Three natural resources being used here are air, water, sunlight.

What is a natural resource ?

Natural resources can be defined as the resources that exist (on the planet) independent of human actions.

What is the importance of natural resources ?

Natural resources are available in fixed quantity and they are non – renewable.

Learn more about natural resources here : brainly.com/question/27706622

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Answer:Three natural resources being used here are air, water, sunlight.

Explanation:

Which of the following factors most likely limits the plant population growth in the desert?
А
the number of herbivores
B
the amount of sunlight
o
the availability of water
D
the availability of land

Answers

Answer:

C

Explanation: Because to grow plants need the basic stuff like water and sunlight but in the desert you have a great amount of sunlight but you have much water.  

Quais são as principais propriedades de uma onda? Descreva cada uma delas explicando com suas palavras de que forma cada propriedade interfere na natureza das ondas. (essa resposta é grande) * me ajudem ai gente urgente :(

Answers

Answer:

can you translate this is English?

PLS HELP IM NOT SMART

Answers

Answer:

has less rain

Explanation:

location 2 has less rain

Help please and thank you

Answers

Answer:

The First one is correct!! ♥️

Answer:

A crossing over introduces variety by producing different combinations of alleles

There is higher abundance of lighter elements in the universe than heavier elements.

which sourfe of evidence supports that statement
Cosmic Microwave Background Expanding Universe Universe Composition​

Answers

Answer:

Due to its formation in the supernova nucleosynthesis.

Explanation:

The higher abundance of lighter elements in the universe than heavier elements occurs due to its formation in the supernova nucleosynthesis. The lighter elements such as hydrogen and helium are present in abundant amount and formed in supernova nucleosynthesis as compared to other heavier elements which are formed through other events. The lighter elements occupy less volume and space as compared to heavier elements which is also a reason for their abundance.

can someone please help me
WILL MARK YOU BRAINLIEST !!

Answers

Answer:

The answer is A.Primary succession

Explanation:

Primary succession is an ecological succession that begins in essentially lifeless areas, such as regions in which there is no soil or where the soil is incapable of sustaining life (because of recent lava flows, newly formed sand dunes, or rocks left from a retreating glacier).

Answer:

a. primary succesion

Explanation:

Calcium is a mineral that is necessary for life. In addition to building bones and keeping them healthy, calcium enables our blood to
clot, our muscles to contract, and our heart to beat. About 99% of the calcium in our bodies is in our bones and teeth. When we do
not have enough dietary.calcium, calcium can be removed from the bone where it is stored. Examine the model. Select ALL of the
actions that occur when calcium levels are too low.
A)
Osteoclast activity is inhibited.
B)
Eliminate
Parathyroid glands release parathyroid hormone (PTH).
C)
PTH causes osteoclasts to release of Ca** from bones.
D)
Calcitonin is released by the thyroid gland, increasing blood calcium.
E)
Calcium is reabsorbed by the kidneys and small intestines rather than
being excreted
From Molecules to Organisms Structures and Processes
Regale Scientific Gals
Son our

Answers

Answer:

I think that it is E if it is not I am sorry

Explanation:

Iceland is a natural laboratory for observing sea-floor spreading. Here, the rate of plate motion is about 2.5 cm per year. Predict how Iceland will change in one million years as a result of plate tectonics. Explain your reasoning.

Answers

Answer:

25000 meters.

Explanation:

Iceland will change into parts in one million years as a result of plate tectonics. If the rate of plate motion is about 2.5 cm per year so after one million years the Iceland divides and moves away from one another at a distance of 25000 meters so we can say that both Islands are present at different locations and at a large distance from one another.

AS per the observation, change in one million years as a result of plate tectonics in the islands the correct answer is 25000 meters.

Iceland will extrude into components in 1,000,000 years because of plate tectonics. If the charge of plate movement is ready 2. 5cm in line with 12 months so after 1,000,000 years Iceland divides and movements far from each other at a distance of 25000 meters so we are able to say that each island is a gift at distinctive places and at a big distance from each other.

What is Iceland?

Iceland is well-known for being known as the Land of Fire and Ice due to its volcanoes and glaciers. It is dotted with herbal wonders including The Blue Lagoon and Dettifoss Waterfall. Iceland is likewise regarded for its wealthy cultural history, Norse mythology, folklore, and having no reputable own circle of relatives' names.

Thus it is clear that Iceland will change in one million years as a result of plate tectonics by 25000 m.

To learn more about the islands refer to the link :

https://brainly.com/question/2487523

Animals are a more complex life form than plants. What did plants do that allowed for animal life to develop? *

plants make oxygen which animals use to breathe
plants make carbon dioxide which animals use to breathe
plants make water which animals use to swim in
plants make sunlight which animals use to make vitamin D

Answers

I'm not sire if it's a single question answer but it looks like it's "A"

humans and animals make carbon dioxide which plants take in

plants don't make water, the water cycle "makes" it

and plants don't make vitamin D or sunlight

What is the complementary strand of DNA to the one below?
AAACCGTATCCGCGGTATATCGCCGGAAT

Answers

lick me , tease me , touch me , please me






AHAHA SORRY

Answer:

TTTGGCATAGGCGCCATATAGCGGCCTTA

what is the step in the cell cycle that insures genetic continuity

Answers

Answer:

As mitosis ends, each developing daughter cell receives one set of chromosomes. The nuclear membranes return as the cell divides through the process of cytokinesis. In this way, mitosis ensures genetic continuity across generations of cells.

Which of these is a description of climate?

A. It was 98 degrees outside yesterday.

B. The wind speed right now is 5 miles per hour

C. San Jose has cool winters.

D. Last week we had 1 inch of rain.

Answers

Answer:

c

Explanation:

Answer:C is the correct answer

Step-by-step-information: C is the answer because that is a most common answers and it would not be A because we not talking about degrees And not B because the wind is not oven in here and D because we’re not talking about inches so C is the answer


Can I get no brainliest please

Which energy conversion occurs in the cells of an animal, such as the
chipmunk shown in the photograph?
A. Kinetic energy
Nuclear energy
B. Light energy Chemical energy
O C. Kinetic energy → Potential energy
O D. Chemical energy → Potential energy

Answers

Your correct answer should be C

The energy conversion that occurs in the cell of an animal, such as the chipmunk, is Chemical energy → Potential energy.

What is the conversion of energy?

Energy is neither created nor destroyed, it is just converted into another form of energy. This is called conversion of energy.

Here the food has chemical energy and which will be converted into potential energy in the stomach of the chipmunk.

Thus, the correct option is D. Chemical energy → Potential energy

Learn more about the conversion of energy

https://brainly.com/question/8427473

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the process that decreases the number of body cells is called

cell division

apoptosis

Answers

apoptosis I think is the answer

Answer:

2 because it decreaces the number of cells

Explanation:

According to the food web below, what would the leopard seal be?

Answers

Answer:

primary

Explanation:

Answer

tertiary consumer I think

Explanation:

Examine the model of a viral structure shown here. Select all of the choices that accurately compare and contrast the structures of viruses and cells.

A) both cells and viruses have DNA/RNA
B) both cells and proteins have molecules
C) viruses have enzymes for DNA replication, where cells do not
D) both cells and proteins have capsid structures surrounding their genomes
E) cells have specialized organelles, where viruses do not contain these structures

Answers

Answer: A , B & E

Explanation:

What happens to solar energy at the equator??

Answers

Answer:

Pls Brsinliest

Explanation:

The sun's rays strike Earth's surface most directly at the equator. ... Because the sun's rays hit at a slant, the area is heated less. The more focused the rays are, the more energy an area receives and the warmer it is; the less focused the rays are, the less energy an area receives and the cooler it is.

What is an enzyme's function?

Answers

Answer:

An enzyme is a type of protein found within a cell. Enzymes create chemical reactions in the body. They actually speed up the rate of a chemical reaction to help support life.


The Mantle is a cool, solid layer of the Earth's structure. (True or False)

Answers

answer is gonna be false

List examples of physiological events that occur as a result of circadian rhythms in humans

Answers

Answer:

the sleep-wake cycle. the body temp. cycle. the cycles in which a number of hormones are secreted. Infradian rhythms have a period of more than 24 hours. The menstrual cycle in women and the hibernation cycle in bears are two good examples.

relate the temperature of a gas to the kinetic energy of its particles.

A. as the temperature extends, the kinetic energy of the particles decrease

B. as the temperature increases, the kinetic energy of the particles increases

C. as the temperature decreases, the kinetic energy of the particles increases

D. As the temperature intensifies, the kinetic energy of the particles decreases ​

Answers

Answer:

B. as the temperature increases, the kinetic energy of the particles increases


Which of the following organisms have existed on Earth for the longest period of time?
O single-celled organisms
O multicellular organisms
O dinosaurs
O mammals

Answers

Answer:

single-celled organisms

Explanation:

Answer:

cyanobacteria.. single celled organisms

Which of the following best describes the flow of energy in a food web that contains the following organisms: fish, zooplankton, bacteria, and phytoplankton?

Answers

Answer:

D

Explanation

no need to thank me

whould you be able to observe the DNA of a single cell?​

Answers

Answer:

All living things have DNA: the chemical instructions on how to make a living thing, from humans to strawberries. Many people assume that because DNA is so small, we can't see it without powerful microscopes. But in fact, DNA can be easily seen with the naked eye when collected from thousands of cells.

Explanation:

What shape is this galaxy??

Answers

Answer:

a circle

a sphere  

Explanation:

What are nucleotides in a stand of DNA that do not code for proteins called?
a. Non Sense Nucleotides
b. Waste Code
c. Non Coding DNA
d. Ribonucleic Byproduct

Answers

Answer:

C

Explanation:

Answer:

C.Noncoding DNA

Explanation:

''Noncoding DNA does not provide instructions for making proteins. Scientists once thought noncoding DNA was “junk,” with no known purpose. However, it is becoming clear that at least some of it is integral to the function of cells, particularly the control of gene activity.

-MedlinePlus Geneticsmedlineplus.gov › genetics › understanding ›basics ›

''It is important to note that DNA damage, in and of itself, does not necessarily lead ... type of point mutation, called a nonsense mutation, converts a codon encoding an ... Because codons are triplets of nucleotides, insertions or deletions in groups of ... Beneficial mutations generally code for new versions of proteins that help...''

– Chemistrywou.edu › courses › online-chemistry-textbooks › chap.

''Non-coding DNA sequences do not code for amino acids. Most non-coding DNA lies between genes on the chromosome and has no known function. Other non-coding DNA, called introns, is found within genes. Some non-coding DNA plays a role in the regulation of gene expression.''

- Institutewww.genome.gov › genetics-glossary › Non-Coding-DNA

What is meant by reflex-action ? With the help of a labelled diagram trace the sequence of events which occur when we touch a hot object.​

Answers

Reflex action is a spontaneous response needed in the sudden adverse situation. The diagram shows the reflex action when a hot body is touched

A reflex, or reflex action, is an involuntary and nearly instantaneous movement in response to a stimulus.

A reflex is made possible by neural pathways called reflex arcs which can act on an impulse before that impulse reaches the brain.

Complete the equation for cellular respiration:
________ + sugar → ________ + water

oxygen, carbon dioxide
carbon dioxide, oxygen
ATP, light energy
chlorophyll, mitochondria

Answers

Chlorophyll, mitochondria or ATP, Light energy

Answer:

the first choice is correct.

Explanation:

the cellular respiration equation is:

sugar + oxygen -> carbon dioxide + water

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