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He principal characteristic that determines whether an aquatic ecosystem is classified as marine or freshwater is a. surface area b. water depth c. temperature d. salinity
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Which of the following is an example of a non-falsifiable hypothesis? a. there is a teacup orbiting the milky way galaxy. b. there is no life on mars. c. the human species started in africa. d. humans cannot live without the amino acid methionine
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Which statement best describes how the nucleus, the rough endoplasmic reticulum, and ribosomes interact during protein synthesis?
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Biology, 22.06.2019 09:30
Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from
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He principal characteristic that determines whether an aquatic ecosystem is classified as marine or...
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