Maintaining sustainable human exploitation of ecosystem capital will be increasingly difficult because of:

decreases in worldwide ocean levels.

the over reliance on grains and other plants as a significant portion of the human diet.

the expanding number of vital and bacterial human diseases.

the growing human population on Earth.

Maintaining sustainable human exploitation of ecosystem capital will b

1.	Maintaining sustainable human exploitation of ecosystem capital will be increasingly difficult because of:
A.	the over reliance on grains and other plants as a significant portion of the human diet.
B.	the expanding number of vital and bacterial human diseases.
C.	the growing human population on Earth.
D.	decreases in worldwide ocean levels.
Answer» D. decreases in worldwide ocean levels.