The earliest human settlement sites were located in a. forest areas b. desert areas c. river valleys d. mountain region

The correct answer is C. River Valleys.

Explanation

The first human settlements were next to the river valleys due to the importance that water had (and still has) in the lives of humans, this natural resource was too important for humans because it allowed them to hydrate and made the soil fertile for agriculture, that is to say that it allowed societies to have plants that provided them with fruits for their food, besides water was an important resource for grazing animals such as sheep, cows, deer among others. So, the correct answer is C. River Valleys.

nobles

explanation:

someone who has high morals and ideals or people who are royalty or who have good breeding. an example of noble is a person who is always honest and charitable. an example of noble is a king.

b) trade is easy because of the direct line between their major ports. bilateral trade reached 89,6 thousand million.