Oil-rich countries in the middle east cover about 4% of earth’s total land area but possess about 48% of the world’s known oil reserves. what is the main reason for the high concentration of reserves in this part of the world?
a. geological processes
b. population growth
c. technology advancements
d. weather conditions

Bottle deposit programs are one way to encourage higher recycling rates. explain how they work

The primary agent of contact metamorphism is

This map shows the member states of the european union (eu). based on this map, what is the most likely reason the eu was formed? a) to increase trade between european nations b) to protect themselves from foreign enemies c) to begin the process of forming one large nation d) to isolate europe from the rest of the international community j