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In what type of reaction or process does heat flow into the system
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Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.
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Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.
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How many atomic mass units are equal to 1.672×10−24 g of protons?
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In what type of reaction or process does heat flow into the system...
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