Please please help with this question!
Explain the water cycle starting as a water molecule in the ocean.
The question is about the water cycle in the ocean. It says that your answer should start from the water molecule (H20, polar, covalent, Oxygen being Electronegtive, etc.)
HELP
Density is an intensive physical property because the density of a given substance does not change with the size of the sample.
True
False
Answer:
✅True
Explanation:
Density is an intensive physical property because the density of a given substance does not change with the size of the sample.
IamSugarBee
Geologists, more specifically mineralogists, identify minerals based on ________. A. Optical properties. B. Solid properties. C. Behavioral properties. D. Physical properties.
The minerals are mostly characterized by the Physical properties (D) which includes the hardness, lustre, density etc. The mineralogists check the detailed view of minerals by using high powered microscope.
The minerals are chemical compounds which are formed as a result of physical processes or geological processes. They mostly occur in crystalline form. For Example: Cacite, Sulfur, Quartz etc[tex].[/tex]
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An ecologist is studying Dunaliella salina a single celled algae in a local pond. The pond is located near a construction site and the ecologist wants to know what affect, if any, the construction site is having on the pond, as there has been a steady decline in the Dunaliella salina population. In order to complete their study the ecologist would like to examine the organelles inside Dunaliella salina. If they would like to examine the inner structure of the chloroplasts of an already dead Dunaliella salina, what microscope would be best suited for this task? *
A.)dissecting microscope
B.)compound microscope
C.)scanning electron microscope
D.)transmission electron microscope
In the given scenario, to see the structures of chloroplast scientists can use a transmission electron microscope. The correct option is D.
What is transmission electron microscope?Transmission electron microscopes (TEM) are microscopes that visualize specimens and basically create a much higher magnification of an image using an electron particle beam.
TEMs have the ability to magnify objects up to 2 million times.
Transmission electron microscopy (TEM) is a popular method for examining the ultrastructure of organelles.
TEM generates high-resolution pictures by passing electrons through an ultrathin segment of a sample and magnifying the resulting image with a series of lenses.
The electron beam of the TEM penetrates thin slices of biological material, allowing the study of individual components of cells and organelles.
Thus, the correct option is D.
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What type of organic compound is lactose
Why are most oceanic trenches found in the Pacific Ocean?
Answer:
It's where the subduction zones are.
Explanation:
Subduction zones - when two plates meet and one gives way to the other.
Answer:
Most oceanic trenches found in the Pacific Ocean because it is the largest ocean, therefore it has most most convergent boundaries. Whenever a convergent boundary is formed it creates a trench because the oceanic plates are denser the continental plates so they sink. This is known as subduction.
Focusing on which two central themes in biology would help a student understand why animals come in
different shapes and sizes?
a. cellular basis for life; homeostasis
b. structure and function; unity and diversity of life
c.matter and energy, homeostasis
d. science as a way of knowing; interdependence of nature
Answer:
b) structure and function
Explanation:
all animals do different things and play different roles in nature, so they have differnt structures and functions to help carry out those roles.
HELP!
The answer to which of these scientific questions would MOST likely explain why all life on Earth is
based on carbon?
O A. How many carbon isotopes are stable?
O B. How much carbon is found in Earth's crust?
O C. What are the naturally occurring states of carbon?
D. What is the configuration of carbon's valence shell?
Answer: A is the answer
Answer:
D. What is the configuration of carbon's valence shell?
Explanation:
Carbon is considered special and very versatile because of the number of valence electrons it has. Because it has four valence electrons, it's able to combine with many other elements, which makes it an essential building block of life.
IN YOUR OWN words define science
describe the role of humans in environmental stability and change
Explain why an increase in precipitation and in the number of nearby factories has a greater impact on the occurrence of the mari flowers than changes in temperature, length of day, and invasive species
Advanced rainfall during the growing period can lead to an improvement in the utilization of soil water, which is beneficial to root growth.While rain clearly affects food supply, it also can affect foraging behavior, reproductive and population growth rates, and competitive interactions in subtle ways that might be difficult for researchers to trace back to any particular sourceThe increase of precipitation and number of nearby factories has a greater impact on the occurrence of mari flowers because some types of precipitation has acid in it, and the acid has a high pH level. All of those chemicals have higher pH levels than changes in temperature.
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Help!!!!A student reads that some pea plants have violet flowers, while some have white flowers. Breeding a pea plant with violet flowers with a pea plant with white flowers produces offspring,
some of which have violet flowers, while some have white flowers.
How do the offspring express the gene for flower color from the parent plants?
the random expression of one gene obtained from a single parent plant
the expression of one gene obtained from each parent plant
the expression of a gene that is inherited by any cell of the offspring
the random expression of a gene that is more numerous in the cells of the offspring
Answer:
its c. The expression of a gene that is inherited by any cell of the offspring
Explanation:
Which statement is an example of scientific theory?
A. Hummingbirds do not like the color white because they visit other colored flowers more often.
B. The earth is the third planet from the sun and has one moon, which orbits earth.
C. The amount of caffeine that affects a persons heart rate differs based on the persons age.
D. All living organisms are composed of one or more cells, which came from pre-existing cells.
Answer:
I suggest the answer is b
Question 2 (2 points)
Which of the following best explains why matter must travel through cycles?
a
There is an unlimited amount of matter in the universe, so it can take on any form at
any time.
b
There is a fixed amount of matter in the universe, so it must take on different forms
at different times.
Elements flows within ecosystem in various ways. It is important for matter to travel through cycle as there is a fixed amount of matter in the universe, so needed to be recycled.
What is cycling of matter?Matter cycling is movement of matter from one form to another or from one place to another on the Earth, inside its ecosystems.
Matter is constantly cycling from place to place, and this can have both positive or negative effects. Matter also cycles naturally, or can be due to human activity.
As there are only finite number of nutrients on the Earth, so, it is necessary for them to be recycled in order to ensure the continued existence of living organisms.
Thus, option b is correct.
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Question 3 About how long does it take the Moon to make one trip around the Earth? a) week b) year c) month d) day
Answer:
C) month
Explanation:
it takes around 27 days, so rounded that would be about a month
NEED RN! MARKING BRAINLIST WORTH 100!! Put in order from SMALLEST to LARGEST how the structures of plants, animals, and fungi are organized.
skeletal muscle, digestive system, heart, cell, organism
Which of the following is a necessary reactant for cellular respiration to occur? (2 points) a Carbon dioxide b Nitrogen c Oxygen d Water
Answer:
C.
Explanation:
"Cellular respiration, the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water."
Answer:
its oxygen!
Explanation:
I just took this test on FLVS and this was a question, I answered with Oxygen and ended up with a 100% test score. Hope I could help!
ANSWER QUICK PLEASE !!!
Explain how a greenhouse stays warmer than its outside.
Answer:
Greenhouses stay warm because only some kinds of radiation penetrate their surfaces, which are glass and/or plastic. Solar radiation passes freely through clear substances such as greenhouses' glass and plastic, and it heats soil, stone, plants and anything else inside the greenhouses.
What organelle is responsible for cleaning and removing waste
Answer:
Lysosomes are responsible for cleaning and removing waste.
Using complete sentences, compare and contrast the terms living and biotic. In your response, illustrate using examples and appropriate compare-and-contrast vocabulary
Both living things and biotic factors can be alive.
Unlike living things, biotic things may not be alive; they may have once lived or came from something living.
I included an example of something both living and biotic, such as flowers.
I included an example of something biotic, but not living, such as paper.
I used compare-and-contrast vocabulary.
Explanation:
As you all know that living is a synonym for biotic, as both discuss the measures of life. It significantly includes plants, animals, humans, predators, etc.
What is biotic?Biotic may be defined as something that is closely related to living organisms or something that is directly derived through the action of living organisms.
As compared to living, biotics may not always be alive, but it talks for a long period. Biotic is something that has once lived or emanated from something living.
Examples like plants, animals including humans are categorized under the category of living, while products such as rubber, latex, cow dung, paper, etc are biotic products that are not living.
Therefore, as you all know that living is a synonym for biotic, as both discuss the measures of life. It significantly includes plants, animals, humans, predators, etc.
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Why are there many separate ecosystems in a rain forest?
A. There are three different seasons in a rain forest.
B. There are three levels of consigners in rain forests.
C. Rain forests have very few primary consumers.
D. Different conditions support different organisms.
Which question can be answered by an experiment?
A)
Do sugar substitutes cause cancer?
B)
Did an ice age kill off the mastodons?
What caused the extinction of the dinosaurs?
D)
Are all people susceptible to the Hunta virus?
Answer:
a
Explanation:
ok for my first question i'll keep it simple how many bones are in a dogs body?
Answer:
319 bones are in a dog's body
Answer:
319
Explanation:
Can drinking Gatorade make you a baller like Michael Jordan, claim evidence and reasoning
Answer:
although Gatorade has electro lights and other substances this is false you need to train be able to train yourself so you can shoot hoops like Jordan
Explanation:
Answer:
Sorryy, MJ is the G.O.A.T, and in my opinion, Gatorade gives you energy.. not Michael Jordan's super powers ;)
Explanation:
4)
All of the following pieces of equipment EXCEPT for
another.
could be useful for transferring a liquid from one container to
A)
beaker
B)
flask
petri dish
D)
graduated cylinder
Answer:
The answer is C. Petri Dish because a beaker, flask and graduated cylinder all hold liquid and can be transferred.
in what order did the events forming our solor system occur?
Answer:
The solar nebula spun faster and faster and flattened into a rotating disk. Most of the gas was pulled toward the center, where it became hot and dense, forming the Sun. Which statements describe planetesimals?
Explanation:
Answer:
The solar nebula spun faster and faster and flattened into a rotating disk. Most of the gas was pulled toward the center, where it became hot and dense, forming the Sun.
Explanation:
In year 0, there are 789 bees in a population. The death rate is .21bees/year and the birth rate is .14bees/year. What will the population be in year 1?plsss help I have 19minutes left on my test !!!
Answer:
hcfdfvjxdhjgxgm
Explanation:
which best defines cohesion
Answer:
The act or state of sticking together tightly especially
Explanation:
That is one definition.
Hope that helps.
Answer:
Cohesion is sticking of particles of same substance.
Explanation:
For example we say water has cohesion property it means water molecules are cohesive with other water molecules.
HELP!
Which compound do
plants use for structural support?
o
A. cellulose
O B. glucose
O C. glycogen
0 D. starch
Answer:
A. Cellulose
Explanation:
specifically how long did each eon last?
Answer:
one billion years
Explanation: