Explanation:
There are three main types of rocks: sedimentary, igneous, and metamorphic. Each of these rocks are formed by physical changes—such as melting, cooling, eroding, compacting, or deforming—that are part of the rock cycle.
Your answer will be Physical evidence it give people the chance when they find something that's a important like a weapon,or hair it gives experts the chance to see if they can figure out what happen so they can catch the guy who caused it to happen.
So your answer is Physical Evidence.
Hey Bonny959!
Terminal Velocity is reached when the drag force and buoyancy equal the force of gravity on a falling object!
Hope this helps!
The greenhouse effect.
Gases known as greenhouse gases keep heat on Earth, which raises temperatures and causes global warming.