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What period of history refers to the time when people did not have written records
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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
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Social Studies, 22.06.2019 15:30
Carbon tetrachloride is a toxic liquid. a carbon tetrachloride molecule has one atom of carbon and four atoms of chlorine. what is its chemical formula?
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Social Studies, 22.06.2019 21:00
Is when a person has given their consent based on understanding the actions and facts of a study?
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What are the features of perfect competition?...
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