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Biology, 22.06.2019 13:10
Match the correct terms to their descriptions a system in which only energy but not matter is exchanged frozen water in snow part of geosphere that includes only soil a thin layer between the troposphere and the stratosphere cryosphere tropopause closed system pedosphere
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Biology, 22.06.2019 16:00
Hydroelectric uses moving water to do work such as grinding grains in a mill true or false
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Biology, 22.06.2019 22:00
When the body has a weakened immune system, the production of antibodies is increased.
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