They need to touch each other. Equilibrum, is when two things touch that arent the same heat, once they touch, they are equal in temperature, so they need to touch. hope i helped :D
I know for sure that a solid is not the answer. Liquids can be frozen. I would say gas or plasma
Average speed = total distance / total time.
That's 172 km / 5 hr = 34.4 km//hr
the answer is c because it has the most volts
a
The answer is "saltation".
Saltation refers to a particular kind of molecule transport by liquids, for example, wind or water. It happens when free materials are expelled from an overnight boardinghouse by the liquid, before being transported back to the surface. Cases incorporate stone transport by streams and snow float over smooth surfaces, for example, those in the Arctic or Canadian Prairies.