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Learn about new methods of reducing and recycling plastic waste with featured scientist: Anne McNeil, Chemistry Dept, ...
dip a clean wire loop into a solid sample of the compound being tested put the loop into the edge of the blue flame from a Bunsen burner observe and record the flame ...
16 天on MSN
Among the many marvels of life is the cell's ability to divide and thus enable organisms to grow and renew themselves. For ...
Hold a burr seed pod in your hand and feel its texture with your fingers. Then use a magnifier to look closely at the seed pod. Use a magnifier to look at both sides of the hook-and-loop tape. Press ...
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