When the sand hits the still water it sinks, because there is not enough current
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The nurse should include carrots and leafy greens in the teaching, as both are excellent sources of vatamin A.
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<span>The answer is reflection. Objects that do not produce their own light, reflect light when the light is shone on them. This is because the light bounces off them by reflection. One example is the reflection of sunlight by the moon so it is visible in the night. </span>
Urea can be used to denature a protein, that is, when a protein loses its structure.
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Explanation:
The purpose of fermentation in yeast is the same as that in muscle and bacteria, to replenish the supply of NAD+ for glycolysis, but this process occurs in two steps: Alcoholic fermentation consists of pyruvate being first converted into acetaldehyde by the enzyme pyruvate decarboxylase and releasing CO2.