Glen is attempting to use operant conditioning to train his dog, thor, to fetch a ball upon command. to test thor’s understanding, glen throws the ball and yells, “pineapple! ” thor does not fetch the ball. which process of operant conditioning has thor demonstrated? a. stimuli optimization b. stimuli discrimination c. stimuli extinction d. stimuli generalization

Astudent is revising the sentence below: i know brendan was upset, but i feel he overreacted. you would have thought he'd just lost his best friend, the way he would bemoan his fate. based on the context of this sentence, which is the best synonym for bemoan? a. complain: express dissatisfaction or annoyance b. grieve: cause distress to someone c. nag: annoy with persistent fault-finding d. provoke: stimulate or incite

During the decline of the harappan civilization, which group came to power in the indus valley

This is a major archaeological site that was once a regional center to the mayan empire in ancient mesoamerica.