Question

Why must the use of pesticides be carefully controlled?

Various insects are interdependent.
Ecology and insects are interrelated.
The environment can be poisoned.
All of the above.

Answer 1

i’m pretty sure all it is B

Answer 2

I think it might be C.

Step-by-step explanation:

I think that because if you use to much it could contaminate the water in the soil and the plant could have a bad reaction to it.