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

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

Explanation:

Use trial, and error until you get results.

Hope this helps. :)

sediment layers stop spreading when they reach a barrier or they run out of sedimentary material. lateral spreading is the movement of gently to steeply sloping, saturated soil deposits caused by earthquake-induced liquefaction. i hope this . : )

a. i. only is correct.