Earth's greatest speed of rotation occurs at the
a. equator
b. tropic of cancer
c. tropic of capricorn
d. north pole

The greatest speed of rotation is at the Equator: you can think of it like this: each point at the equator must travel the whole diameter of Earth every 24 hours. In contrast, the points around the pole don't travel as much (apart from the journey around the Sun) - so they can be said to rotate slower. 

Answer after wwii, communist countries in eastern europe formed the warsaw pack, a military alliance, and comecon, an economic alliance;

D.the role of religion has steadily declined in recent years.pl give me  branliest