Resources that were created over millions of years from the remains of prehistoric plants and animals are called

To what kinds of messages might the brain respond to keep you balanced on one foot?

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

Restricting immigrants from entering a country may be based on what belief?