Desertification, condition of the desert spreading into previously arable land, is threatening the planet.

A. spread of desert conditions into previously arable land

B. condition where the desert spreads into previously arable land

C. spread of conditions of desert where land was previously arable

D. the situation when desert conditions spread into previously arable land

E. No correction required

Answer: Option D

Solution(By Examveda Team)

Desertification, the situation when desert conditions spread into previously arable land, is threatening the planet.