<span>Carbohydrates
Carbohydrates are generally considered the fuel for all organisms, and without this most animals would become sloth and would be unable to perform the regular jobs. Carbohydrates are actually very easy to metabolise and hence generate quick energy.<span> </span></span>
Biology is important to our lives because it allows humans to understand their bodies and their resources.
C because fish take many more years to fossilize due to being contained/living in water their bodies are harder to break down
Could you put letters by the answer choices, it's too unorganized