At a treatment center, people who display a desired behavior receive coins that they can later exchange for other rewards. This is an example of a(n) . reward primary reinforcer transference token economy

For 50 pointsfredrika's science teacher asked her to bring in three abiotic items from her backyard ecosystem. which of the following groups of items should she bring? a. a lightning bug, a plug of grass, and a wormb. a smooth rock, some red dirt, and an empty bird's nestc. a ladybug, a spider, and some water from a mud puddled. a caterpillar, a pine cone, and a piece of a robin's egg

Which of the following best describes how the articles of confederation divided government power?

What conflict ended the false doctrine of "states rights"