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Biology 20 Chapter 2 (Cycles of Matter) Exam Questions and Answers
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Biology 20 Chapter 2 (Cycles of Matter) Exam Questions and Answers
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Biology 20 Chapter 2 (Cycles of Matter)Exam Questions and Answers
Biogeochemical Cycles - Answers -The cyclical route taken by water and other chemical
nutrients through all biotic and abiotic components of the biosphere
Hydrologic Cycle - Answers -Cycle of evaporation and condensation of water that
determines the circulation of water through the atmosphere and biosphere
Polar - Answers -Refers to a molecule with uneven charge distribution
Hydrogen Bond - Answers -Weak bond that involves sharing an electron between a
slightly positive hydrogen atom and a slightly negative atom
Cohesion - Answers -Intermolecular force that holds molecules of a liquid or a solid
together
Adhesion - Answers -Molecular attraction between two substances or bodies
Rapid Cycling - Answers -Relatively quick movement of nutrients through nutrient
reservoirs, such as organisms, soil, air, and water
Slow Cycling - Answers -Long-term storage of nutrients in nutrient reservoirs, such as
fossil fuel deposits; nutrients are unavailable for a long period of time
Acid Deposition - Answers -Process by which sulfur and nitrogen emissions undergo
chemical change in the atmosphere and are deposited in the environment as dry
particles and gases, or as wet acid precipitation, including rain, snow, and fog
Nitrogen Fixation - Answers -Process whereby free atmospheric nitrogen is converted,
usually by bacteria, into compounds such as ammonium and nitrates that can be used
by other organisms
Ammonification - Answers -Production of ammonia or ammonium products via break
down of organic matter by decomposers
Denitrification - Answers -Conversion of nitrate or nitrite to nitrogen gas by bacteria in
the soil
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