Question

what is the current greatest threat to agricultural sustainability?
a. erosion
b. water pollution
c. air quality
d. all of the above
please select the best answer from the choices provided
a
b
c
d

Explanation:

Erosion can lead to loss of top - soil, water pollution can contaminate irrigation water and harm crops, and poor air quality can affect plant growth. All are significant threats to agricultural sustainability.

Answer:

D. all of the above