Plz i 15 points

suppose a bicycle was coasting on a level surface, and there was no friction. what would happen to the bicycle?
a. it would speed up since there is no friction.
b. it would keep going at constant speed.
c. it would slow down until it finally came to a stop.
d. it would slow down but would never stop.

It would keep going at constant speed.

Explanation:

The bicycle would keep going at constant speed because of inertia. Objects in motion stay in motion unless they are disturbed by an external force.

stratosphere: as the altitude increases, the air temperature increases. the stratosphere has a layer of ozone, called the ozone layer. this layer absorbs most of the ultraviolet radiation from sunlight. this results in the stratosphere being warmer.

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