Nutrients moves through an ecosystem
a- biogeochemical cycles
b- water cycles
c...
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This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is
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Liquid water turns into water vapor at which step in the water cycle? a. precipitation o b. water run off c. evaporation d. condensation
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In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna.b) they study alleles that contain genes, which are chromosomes.c) they study chromosomes that contain genes, which are dna segments.
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