This theory of motivation claims that behavior is motivated by the desire to reduce internal tension caused by unmet biological needs. Maslow's hierarchy of needs
arousal theory
incentive theory
drive-reduction theory

The correct answer is Drive-reduction theory

Explanation:

In psychology, motivation is a factor that triggers a specific behavior or action. Moreover, motivations have been widely studied and analyzed using different theories and approaches. One of these is the drive-reduction theory; this theory explains motivations are related to inner drives or biological/psychological impulses and a desire to meet those impulses. For example, the drive to eat and the desire to meet this drive motivated the first humans to hunt. According to this, it is the drive-reduction theory the one that states internal tension or drives trigger motivations.

it is snorkeling, apex verified.

there are 52 characters.

explanation:

i counted all of the letters.