Biology, 07.12.2020 22:30 giiffnlojd
Where does the salt in oceans come from? rocks and minerals on land rainfall and snowfall dead plants and animals energy from the Sun
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Biology, 21.06.2019 22:40
Which sequence correctly shows the path of carbon dioxide during repiration?
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Biology, 21.06.2019 23:30
What is the importantence of the carbon and nitretan cycles in the environment
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Biology, 22.06.2019 20:00
The cellular plasma membrane is selectively permeable, which means some materials move through it while others cannot. the movement of materials into and out of the cell is called membrane transport. this activity will you identify the different mechanisms of membrane transport
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Biology, 22.06.2019 22:00
Cancer cells spread to other parts of the body by entering the bloodstream. which of the following organs could prevent a cancer cell in the bloodstream from spreading, and why? a. the spleen, because it releases lymphocytes into the blood b. the peyer's patches, because they release lymphocytes into the blood c. the lymph nodes, because they release lymph into the blood d. the thymus, because it releases lymph into the blood
Answers: 1
Where does the salt in oceans come from? rocks and minerals on land rainfall and snowfall dead plant...
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