What is the current greatest threat to agricultural sustainability? a. erosion b. water pollution c. air quality d. all of the above

Correct A). Erosion

The greatest threat to agricultural sustainability can be caused due to erosion. Erosion is a natural phenomenon that is known to affect all landforms. In agricultural practice, soil erosion is a process that is known to remove the top fertile layer of the soil, that may be caused by natural or physical agents like wind, water etc. It may also be caused by some form of farming practice such as tillage.

they absorb it i think

not sure

you

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .