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

Answerwide-open;

Historians are researchers of the past or people who understand the history of people. with this field, they must possess qualities such as being unbiased, patient, efficient reader, has a knack for logic and critical thinking and reasoning, disciplined, open-minded, resourceful, with good analytical ability, good reasoning skills and problem solving!