Why is the example of DDT included in the unit? A.
to show that solutions have unintended consequences
B.
to illustrate why pesticides should not be used by farmers
C.
to promote organic farming methods
D.
to explain the chemical elements of common pesticides

Answerhighlands and forests;

The correct answer is a)  a resource with a limited supply; it will run out.

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!