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Biology, 21.06.2019 19:20
Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?
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Biology, 21.06.2019 22:00
What is thought to have caused the mass extinction at the end of the cretaceous period?
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Biology, 22.06.2019 06:00
Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this
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What happened because there was no plant cover at this time to the soil in Alabama?...
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