Physical changes occur when the properties of a substance are retained and/or the materials can be recovered after the change. Chemical changes involve the formation of a new substance. Formation of a gas, solid, light, or heat are possible evidence of chemical change.
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History, 21.06.2019 13:00
Select the two railroad lines that the north needed to capture to cut southern communications. a. memphis to chattanooga to richmond. b. vicksburg to savannah c. charleston to nashville d. new orleans to montgomery to knoxville.
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History, 21.06.2019 19:00
Explain the difference between the prosecutor in a criminal case and the prosecutor in a civil case.
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Which best describes the impact of the crusades on european exploration?
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History, 22.06.2019 05:00
After the french and indian war how did enland try to pay for the cost of the war
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Physical changes occur when the properties of a substance are retained and/or the materials can be r...
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