Answer:
a very powerful and influential nation (used especially with reference to the US and the former Soviet Union when these were perceived as the two most powerful nations in the world).
Answer:
Seismic waves are fundamentally of two types, compressional, longitudinal waves or shear, transverse waves. Through the body of the Earth these are called P-waves (for primary because they are fastest) and S-waves (for secondary since they are slower).
Answer:
natural selection
Explanation:
Adaptations in a species are caused over time by natural selection
The lines often drawn on a map or globe that look like east/west paths are lines of constant latitude. The points on any one line are all at the same latitude, and there is a point on the line at every possible longitude all the way around the Earth.
Since the lines of constant latitude are all parallel to the Equator and to each other, they're often called 'parallels' of latitude.
