Which of the following is a heterogeneous mixture?

It would be paint.

Explanation: it would be paint because it doesn't come completely together. another example of a heterogeneous mixture could be cereal and milk.

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 .