Water (h2o) is a
a. pure substance
b. mixed compound...
Answers: 2
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Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation
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Development has provided electrically for less money but what may be considered a cause of nuclear power
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Why do mountaineers become breathless as they reach high altitudes
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Select the correct answer. which of the following statements is a scientific claim? a. the early solar system had large amounts of water; so, the oldest objects in the solar system should also be abundant in water. b. the mass of the universe is much greater than current models predict; it is not possible to explain this inconsistency. c. planet earth is abundant in water, but there is no way to scientifically determine from where earth's water originated. d. earth is shaped like a sphere even if not all of the scientific observations related to its shape support this idea.
Answers: 1
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