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Biology, 21.06.2019 15:30
What does resonance result in? quieter sounds frequency amplitude louder sounds
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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.
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Biology, 21.06.2019 23:30
Which of the following would be an important part of a multi-step plan to restore the stability of the red-cockaded woodpecker's ecosystem?
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Biology, 22.06.2019 07:30
When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity
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How fast is the Earth rotating
A. At different speeds between 10 and 30 kilometers per second
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