How might environmental manipulation of a crop have unexpected consequences?

A. The new crop may require more water than the original.

B. The crop may harm the environment.

C. The yield may be reduced.

D. All of the above.

Answer:

D. All of the above.

Explanation:

Environmental manipulation of a crop involves altering factors like soil, water, or genetic characteristics to improve growth or resistance. However, these changes can have unexpected consequences.