Answer: Number 2, aka Solid wastes on land.
Explanation: Bacteria in soil is a natural thing, so it's not polluting the earth. Oxygen in the atmosphere is letting us live, meaning it's not polluting the earth. Fish in rivers is also another natural thing, leaving us with solid wastes on land.
We breath in oxygen and out carbon dioxide where plants breath in carbon dioxide and out oxygen. that is how we are alike when it comes to energy and like plants it takes time for us to grow.
hope this helps
B. Ocetoclast is the answer.
C
The respiratory system removes the waste carbon dioxide produced from aerobic respiration in the body.
I think the enzyme photolyase is activated by light and can repair thymine dimers caused by UV radiation. Exposure to UV radiation is the main factor that causes skin cells to become cancer cells. These enzymes are involved in the repair of ultraviolet light-induced DNA damage when activated by light absorption.