Which statement best describes where most people live in Europe?
A. Population is concentrated on the coast and in river valleys.
B. Most people live in Southern Europe.
C. Population is concentrated in the mountainous central region.
D. Most people live in Northern Europe.
I think it's C but I'm not sure I'm right. Am I? If not, why?

answer; i believe the correct answer is (a) the correlation between the cause variable and outcome variable is zero;

answer; collective security;

muslims have taken his goods and products to different parts of asia an indonesia. sometimes just traveled and trade, but in other occasions, stayed in the place and made a living.

trade was the key for muslims economies to prosper. their commerce routes reached far places like malaysia and java in the 11th century.

another important factor for prosperity was that muslim states served as the middle point for european traders.

they used to travel by land but sailing the seas -the indian ocean- really increase the exportation of products.

answerthis is an example of internal need recognition;