Biology, 14.11.2019 05:31 sccovell5601
Cyanobacteria produce from nitrogen gas as part of the nitrogen cycle. only about of earth's water is available to be consumed by humans or used for agriculture. animals cannot consume nitrates directly. they must obtain nitrogen by plants or other herbivore animals. from forest fires and volcanoes, as well as the decay of dead plants and animals, causes a type of pollution from carbon oxides. one of the primary reasons that freshwater is unevenly distributed around the world is due to variation in amounts of
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When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection
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The normal shape of an enzyme is as shown in structure a. if the enzyme’s shape changes to that shown in structure b, what are two consequences of this change?
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Which of th following best describes how genes produce traits in an organism?
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Cyanobacteria produce from nitrogen gas as part of the nitrogen cycle. only about of earth's water...
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