Question

Name two ecological problems which are caused by application of synthetic chemicals to crop fields.

Answer 1

it reduce the fertility of soil,and make soil barren

Answer 2

Explanation:

The two ecological problems which are caused by application of synthetic chemicals to crop fields are as follows,  

• They tend to disturb the other life system in the environment. They are indulging in the disturbance in the insects and other small organism causing the unbalanced ecological system .
• They also cause disease in humans causing paralysis of farmers or causing the cancer in farmers .
• The example of chemicals includes various forms of insecticides and pesticides.