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Biology, 14.07.2019 18:00, crodriguez87
Which of the following events happened first? -first mammals appeared -pangaea broke apart -dinosaurs became extinct -first angiosperms appeared
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16. which of the following accurately describes a step within transcription? a. dna polymerase uses one strand of rna as a template to put together nucleotides. b. the dna strand is used as a template for which a complementary rna strand can be produced. c. the rna strand forms a template by which dna can be built. d. the rna strand is produced within the cytoplasm.
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Biology, 22.06.2019 13:10, weridness80
Match the correct terms to their descriptions a system in which only energy but not matter is exchanged frozen water in snow part of geosphere that includes only soil a thin layer between the troposphere and the stratosphere cryosphere tropopause closed system pedosphere
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Which of the following events happened first? -first mammals appeared -pangaea broke apart -dinosau...
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