Answer: Brownian motion. This is the motion of small objects (like pollen) that appear to jiggle around while sitting in a drop of water. You can view this motion under a microscope.
Explanation:
Answer:
1.) distance between particles
Explanation:
As the substance changes from liquid to gas, bonds within it's molecules almost disappear and the average distance between them increases.
the answer is b. 15 minutes
you should at least read for half of 30 minutes which is half an hour
hope I helped
:D
