Shifting to a smaller gear on a mountain bike will have an effect on the speed of travel. The smaller sized gear will make pedaling easier but it will also

decrease the speed of travel.

Explanation

Shifting to a smaller gear will result in a slower speed of travel. Option "2" is the correct answer. The smaller gear will turn a complete revolution more often than will a larger gear. Therefore, a small gear requires many more revolutions to cover a specific distance than does a large gear. A larger rear controlling gear, though harder to "push," would cause the bicycle to pick up speed.

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