Question

It has been discovered that an insect pest is no longer being controlled by an insecticide that has been used on a farm for years. Suggest two things the farmer could do to control the problem. a​

Answer 1

1. Use a new insecticide. 2. Try using more of the existing insecticide.

Step-by-step explanation:

Use trial, and error until you get results.

Hope this helps. :)