According to the rescorla-wagner model, blocking occurs because when the second (blocked) cs is presented, most of the learning that can occur has already been "used up" by the first cs. a. true b. false

In a democratic government, every citizen a. shares the wealth of the country equally b. shares the decision-making authority c. does not have any decision-making authority d. belongs to the political party in power

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

What has contributed to the growth of agriculture as big business in the midwest