<span>mitochondrion is ur answer have a nice day
</span>
Answer:
b.burning of fossil fuels
Explanation:
Burning fossil fuels has been considered controversial since it produces tons and tons of CO2 and CO2 is considered a green house gas which is contributing to climate change.
Photosynthesis and planting trees actually sucks Carbon dioxide out of environment. Perspiration doesn't produce CO2.
Answer:

Explanation:
Skin covers all the body surfaces. The purpose of the skin is protect the body against infection, injury, heat or cold and also to store water and vitamins.
Body surface area is measure of surface area of the human body. It is measured in
.
<u>There are many ways to measure the skin surface area of the body but the formula which is widely used is Mosteller formula, which is:</u>

It affects how it flows threw your arteries
Answer:
Grass
Explanation:
The higher up you go in a food chain, the less energy available and the more you have to use to acquire energy.