Earth's core is solid right? cause i saw a comment on another question that said it was liquid metal.

How do adaptation affect a species?

Which locations on the map are low-pressure areas? a b c d e

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of