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Coal and petrol are called non-renewable sources of energy, why...
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Chemistry, 21.06.2019 20:30
The first element on the periodic table of elements is carbon. a. true b. false
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Chemistry, 22.06.2019 19:00
How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy
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Chemistry, 23.06.2019 05:00
Scientists discovered fossils in several layers of the earth you see here. they found fossils of algae, snails, and clams in layer d. given that information, where do you think they found fossil evidence of simple land plants and amphibians?
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Chemistry, 23.06.2019 08:00
The goal of this experiment was to answer the question "what is the effect of a gas' temperature on its volume? " you formulated the hypothesis below. hypothesis: if a fixed amount of gas is heated, then the volume will increase because the heat will cause the molecules of gas to move faster and further apart. to test this hypothesis, you changed the of the gas between 0 and 100°c (273 and 373 k) and calculated the resulting of the gas.
Answers: 2
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