1) any substance, formation, or organism that stores carbon a) carbon cycle b) carbon dioxide c) carbon fixation d) carbon sink 2) movement of carbon between living and nonliving things a) eutrophication b) carbon cycle c) algal bloom d) carbon fixation 3) gas made of one carbon and two oxygen atoms that is released as a waste product when burned or exhaled a) carbon sink b) fossil fuel c) carbon dioxide d) carbon cycle 4) energy source made from dead organisms a) carbon sink b) carbon cycle c) fossil fuel d) carbon fixation 5) when algae grow quickly in water, making it poisonous to animals living there, often caused by too many nutrients in the water a) carbon sink b) carbon dioxide c) carbon cycle d) algal bloom 6) when water gets too many nutrients, like from fertilizers, causing too many plants to grow, which can harm fish and other animals in the water a) eutrophication b) carbon sink c) carbon fixation d) carbon cycle 7) the process by which plants change carbon dioxide gas into useful carbon-based compounds a) carbon dioxide b) algal bloom c) carbon fixation d) carbon cycle

Carbon Cycle & Nitrogen Cycle

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