Question

which of the following is the specific mission of the natural resources conservation service?
to enforce the farm bill
to improve water resources on grasslands
to keep grasslands in their condition and not allow trees and invasive species alter the land
to conserve soils for agricultural production

Explanation:

The Natural Resources Conservation Service focuses on soil - related conservation for agriculture. Enforcing the Farm Bill is not its specific mission. Improving water resources on grasslands and keeping grasslands in condition are not its core missions. Conserving soils for agricultural production is a key part of its work.

Answer:

To conserve soils for agricultural production