The correct option is
C Removal of plants and trees
- Deforestation is the process of excessive cutting of trees which adversely affects the environment.
- The trees maintain the balance of oxygen and carbon dioxide in the atmosphere. Deforestation leads to an increase in carbon dioxide concentration which causes global warming and poses a major threat to the environment.
- Shifting of climate and disturbance in biodiversity ratio is the other major effect of deforestation
So, the correct answer is 'Removal of plants and trees'