The coolest layer is the crust. The crust is on the surface of the earth (where we are) . Inner Core
Swing music with its strong rhythm sections anchored to a lead section usually played by brass instruments, woodwinds and sometimes string instruments.
Geographic variation was the study or examination that living things which are relatively similar are different because of their habitat and geography was dissimilar. Comparable organisms parted ways by physical features and global positioning.
It depends on the position of the species a cline can happen. This can relate to a specific one of two or more substitute forms of a genetic factor that arise by transformation and are found at the same place on a chromosome which will assist in surviving of a different but reachable geographic location.
Not sure but it affects one another because of trade, and the economy starts growing.
