What is the impact of agriculture on the land? 

A)  It increases soil fertility. 
B)  It increases microorganism diversity. 
C)  It causes soil desalination. 
D)  It causes soil erosion.

Soil Erosion

The displacement of the upper layer of soil, causing a loss of fertility and land degradation.

Soil Fertility

The capability of soil to provide essential nutrients to plants in adequate amounts for growth, reproduction, and overall health.

Microorganism Diversity

The variety and variability among microorganisms (bacteria, viruses, fungi, and protozoa) within their environments.