sarahleee
contestada

How does the extinction of species affect humans?
A. Extinction generates new sources of medicine.
B. Extinction upsets the natural cycling of nutrients,
C. Extinction helps keep air and water clean.
D. Extinction makes the environment more pleasant.

Respuesta :

Answer:B

Explanation:

When some species go extinct, their role in the environment is no longer filled, leaving a gap in the natural cycle.

Answer:

B. Extinction upsets the natural cycling of nutrients