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Thorium releases: a. x-rays and positrons c. electrons and x-rays b. alpha and beta particles d. None of the above
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Which statement best describes the relationship between observations and conclusions? a) observations are based on conclusions b) conclusions are based on observations c) observations and conclusions both depend on research d) neither conclusions nor observations depend on research.
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Biology, 22.06.2019 04:00
Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.
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The chemical form of energy that is useable by the cell to do work
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Biology, 22.06.2019 10:50
What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b.diffusion c. endocytosis d. exocytosisc. endocytosis
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Thorium releases: a. x-rays and positrons c. electrons and x-rays b. alpha and beta particles d. Non...
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