The answer is Carbohydrates
Sugar and carbohydrates are broken down into smaller versions called glucose. All cells in the human body depend on glucose. This makes carbohydrates the body's number one energy source. The brain and nervous system run directly off glucose.
autotrophs, oxygen, water, minerals, and vitamins.
Hope this helps!
-Payshence
Oh this is easy.
Astronomy is the branch
The answer is chemical energy
Rock B may have many fossils.
