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Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.
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Aperfume bottle is dropped in the corner of a room. the odor of the perfume can be detected on the other side of the room. which statement best describes this observation?
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Which answer tells the reason the earth’s climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.
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Chemistry, 22.06.2019 22:00
Does the number of ions in solution increase, decrease, or remain constant? it continuously decreases. it continuously increases. it decreases at first, then increases. it increases at first, then decreases.
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If radiation normally travels at the speed of light, why does it take longer than 100,000 years for...
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