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3 years ago

Which statement describes the availability of carbon in the ocean and its use by marine processes? (3 points)

1 answer:

4 0

The ocean is a carbon sink, with carbon being utilized by photosynthesis of phytoplankton describes the availability of carbon in the ocean and its use by marine processes

The ocean is a carbon sink, with carbon being utilized by photosynthesis of phytoplankton.

Explanation:

The carbon is found in the ocean is utilized by the phytoplankton found in the ocean. The carbon sinks in the ocean and then the process of photosynthesis required the carbon dioxide and the sunlight.

The ocean plays an important role in the carbon cycle, the carbon spreads in the ocean are called the ocean sink because it takes up more carbon from the atmosphere. The chemical and biological processes influence the carbon by producing more carbon dioxide in the atmosphere.

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Channel protein is a membrane protein that spans the phospholipidbilayer (a strongly non-polar environment).

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4 years ago

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3 years ago

some scientists study the way fossils and living organisms are distributed, or spread out, on Earth. What is the area of study c

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Biogeography is the study of geographical distribution of fossils, various species (plants and animals) and ecosystems throughout geological time and space

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3 years ago

What evidence supports the LAW OF CONSERVATION OF ENERGY?

photoshop1234 [79]

Answer:

Taking into account photosynthesis, the evidence that best supports the law of energy conservation is energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis (option 2).

Explanation:

Plants are autotrophic organisms, characterized by synthesizing their own nutrients by converting solar energy into chemical energy through photosynthesis.

During the process of photosynthesis, chloroplasts are capable of absorbing solar energy and converting it into glucose. This process involves the conversion of one type of energy into another.

With respect to the law of conservation of energy, it is necessary to consider:

In the universe there is a constant amount of matter and energy, which is neither created nor destroyed, but transformed.
Energy in an isolated system does not vary, unless it comes into contact with another system.
The amount of energy that is absorbed and obtained is equivalent.

In photosynthesis, the chloroplast is not an isolated system, but has contact with the outside and is capable of absorbing the energy of the sun. This energy will be used to obtain a product, glucose, in an amount proportional to the amount of energy absorbed.

Regarding other options:

1. In photosynthesis, it is not mechanical energy that is transformed into chemical energy.

3. Oxygen is a product of photosynthesis, during the process of chemical energy synthesis, from the combination of carbon dioxide, water and solar energy.

4. It is true that the sun gives off light energy that is absorbed by plants, but it does not explain how this energy is transformed into chemical energy.

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3 years ago

A student wants to determine if exercise helps one to learn better. She conducts an experiment where 10 people start an exercise

VMariaS [17]

Answer:

Independent variable: exercise

Dependent variable: grades

Constants: same kind of exercise, same set of students

Yes, there is a control group. The control group are the 10 people that do not exercise

Explanation:

In an experiment, the independent variable is that variable that the experimenter changes or manipulates. In this case, the independent variable is the EXERCISE.

The dependent variable is the variable that responds to changes made to the independent variable or the variable that the experimenter measures. In this case, the dependent variable is the GRADE of the people.

The constant is the variable that the experimenter must keep constant or unchanged throughout the experiment. In this experiment, the constants are the same kind of exercise, same set of people used.

In this experiment, there is a CONTROL GROUP. The control group is the group that does not receive the experimental treatment in the experiment. In this case, The control group are the 10 people that do not exercise

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3 years ago