Tillage protects the soil from what problem?
A. Pollution
B. Graywater
Precipitation
D. Erosion

The correct option is D) Erosion

Explanation:

Old tillage methods, such as moldboard plowing, cause the soil particles to loosen. This methods protects the surface of the soil and it allows water to infiltrate instead of erosion.

Tillage allows the soil to overcome or replace the lost organic matter, it also increases the capacity of the soil to hold nitrogen and other nutrients. Hence, decreasing the chances of soil erosion.

the rocks are classified by the geological process they are formed by. the three main groups of rocks are igneous, metamorphic, and sedimentary. minerals are not they are classified under the chemical classes they are in. these groups include silicates, sulfates and carbonates.