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Hey there.. the question is not proper. Please give the whole question
The correct is this because they said
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As a river flows, it picks up sediment from the river bed, eroding banks, and debris on the water. The river mouth is where much of this gravel, sand, silt, and clay—called alluvium—is deposited. When large amounts of alluvium are deposited at the mouth of a river, a delta is formed.
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The molecular weight of sodium oxalate is 133.998 g/mol
Explanation:Molecular formula of sodium oxalate is Na2C2O4 or C2Na2O4
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Active transport is an active process. Thus, it requires energy. Whereas facilitated diffusion is a passive process and does not require energy.
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