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An atom of nitrogen had seven protons in its nucleus. how many electrons does it have
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Ascientist discovers a new body between the orbit of neptune and the kuiper belt. the object is round and travels in an orbit around neptune with other space objects. the scientist claims that she has found a new dwarf planet. where is the scientist’s error?
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Which of these correctly describes the difference between processes that take place in prokaryotic and eukaryotic cells?
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Post test: evolutionselect the correct answer.in a particular mouse species, two extremes of a phenotype arethese two phenotypes begins to increase over the preexisting npopulation attenatural selecio
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8. If cold viruses invade your body, your
body's immune system may destroy most
but not...
body's immune system may destroy most
but not...
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