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According to the law of conservation of energy, energy can neither be created nor destroyed. if this is true, why is there less energy in the top of the energy pyramid than there is in the bottom of the energy pyramid?
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Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different
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Biology, 22.06.2019 11:30
What is the membrane that sheath of schwann cell containing cytoplasm and nucleus that encloses myelin
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Biology, 22.06.2019 20:40
Lumps of iron and manganese ore called can be harvested from the seafloor near underwater volcanoes.
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Why are the elephants facing a crisis?...
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