Answer:
There are four major classes of biological macromolecules (carbohydrates, lipids, proteins, and nucleic acids); each is an important cell component and performs a wide array of functions.
Explanation:
They speed up chemical reactions
Answer:
The carbon cycle describes the process in which carbon atoms continually travel from the atmosphere to the Earth and then back into the atmosphere. Since our planet and its atmosphere form a closed environment, the amount of carbon in this system does not change.
Answer:
I don't understand the question....but I don't think the energy of the sun will finish....
The answer is 6 raccons per square meter
