Answer:
The correct answer is option A which is pesticides and fertilizers can poison soil organism.
Explanation:
Pesticides, insecticide, and fertilizers are given to crops for better production.
Pesticide kills the pests, insecticide control the harmful insects for the field and fertilizers provides nutrients to plants/crops for fast growth.
But all these are chemicals which leads to the death of organisms in the soil, especially nitrifying bacteria.
These bacteria and other worm-like organism are very important for natural betterment of soil and crop which can be disrupted by fertilizers and insecticides.
