Which one of the following is a vestigial structure?
a. liver
b. heart
c. righ...
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The use of dna as evidence in criminal investigations became possible because of the
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What is thought to have caused the mass extinction at the end of the cretaceous period?
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Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above
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Biology, 22.06.2019 17:00
When making her coffee, mrs. jenkins likes to stir in some cream and sugar to give it a pleasant flavor. the ingredients, when combined like this, form a
Answers: 1
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