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Biology, 21.06.2019 12:30
Which statement names a chemical property of iron? a: it is dense b: it becomes rusted c: itโs hard to bend d: it has a melting point
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Biology, 21.06.2019 18:30
The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.
Answers: 2
Biology, 22.06.2019 01:00
How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain
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Biology, 22.06.2019 03:00
What causes darkening of the skin as melanin production increases
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What was ventor's contribution to science?...
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