Answer: A. Organisms that help clean Earth's soil, water, and air may be lost.
Explanation:
Biodiversity can be define as the variety of living beings surviving in a natural environment. It is the measurement of variations of organisms at the genetic, species and ecosystem level.
If the biodiversity of the organisms which help in cleaning earth's soil, water and air may be lost then the human health will be adversly affected. As the contamination of these important abiotic factor will decline influence the health. Air pollution will result in respiratory and circulatory diseases. Water contamination will result in water borne disease like cholera, diarrhea. Soil contamination will cause inappropriate and infected growth of the plants. The crops fro such plants will cause food poisoning.
