Chemistry
JAMB 1985
When pollen grains are suspended in water and viewed through a microscope, they appear to be in a state of constant but erratic motion. This is due to?
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A.
convection currents
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B.
small changes
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C.
small changes in temperature
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D.
a chemical reaction between the pollen grain and water
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E.
the bombardment of the pollen grains by molecules of water
Correct Answer: Option E
Explanation
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