For Piaget, the most fundamental deficiency of preoperational thinking is egocentrism, which is .

John lennon and paul mccartney belonged to this group

Some european explorers sailed west looking for the passage to india

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