Which statement is true? A. An object in motion must always go straight. B. An object in motion must always change direction. C. An object in motion might change direction. D. An object in motion might be sitting still.

An object in motion must always go straight unless some external force makes it go a different direction.

Explanation:

fire could start, buildings collapsing, and ash falling from the sky.

explanation:

this is because the buildings or plants could catch on fire and the buildings would most likely collapse. lastly ash would fall because all the burning would cause ash to fall from the sky.

hope this .