Answer:
Autotrophs
Explanation:
Ex. Plants (Autotrophs) gain energy from the sun and turn it into and produce oxygen (Chemical energy)
The two types of crust are oceanic and continental, the lithosphere is composed of earth's crust and upper most mantle
<span>B) He noticed four-fifths of the air had been used up. If by air this question is referring to oxygen, the fact that it has been used up means it has reacted, mean a substance has combusted.</span>
