In instrumental conditioning, what is the function of a positive reinforcer? A to induce fear
B.
to neither strengthen nor weaken a behavior
to weaken a behavior
OD
to strengthen a behavior

List the advantages and disadavantages of the switch from persistent chlorinated hydrocarbon pesticides (such as ddt) to nonpersistent organophosphate pesicides. have the benefits of the switch outweighed the disadvantages? explain.

Which component in a graph indicates an independent factor? a. y-axis b. x-axis c. scale

Which of th following best describes how genes produce traits in an organism?