Which macromolecule is the main source of energy for living things?
fat
nucleic acid...
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Biology, 21.06.2019 22:00
Actual age your first developed of age well comparison age refers to absolute age true or false
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Biology, 22.06.2019 00:40
Which would best keep the oxygen cycle stable? a. cutting down jungles to create farmland b. eliminating parks in large cities c. dumping toxic chemicals into the ocean d. reducing the amount of deforestation d. reducing the amount of deforestation
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Biology, 22.06.2019 03:30
Which type of respiration takes place when there is no oxygen present
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Biology, 22.06.2019 10:00
Rarefaction is used for which of the following? a. creating a representative sample b. studying how disease impacts populations c. rediscovering species thought to be instinct d. determining which sea creatures live in an area
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