Biology, 14.05.2021 15:30 alyssaxsanchez

A student put the powder to the corom board . Sciencetific reason for adding powder is , A- frictional force is increased by powder.
B- frictional force is decreased by powder .
C- the speed of carom discs is increased due to powder.
D- the speed of carom discs is decreased due to powder .

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A student put the powder to the corom board . Sciencetific reason for adding powder is , A- frictio...

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