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Which of the following best describes the changes that take place in an ecosystem during primary succession
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The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen
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Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?
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What blood vessels carry blood to the heart? away from the heart?
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Biology, 22.06.2019 23:50
Mendel used over 28,000 pea plants in his experiment. how does this large sample size make his results more reliable? (i'm not sure about this one)
Answers: 2
Which of the following best describes the changes that take place in an ecosystem during primary suc...
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