It should be the third answer choice. The nations of OPEC chose to cooperate primarily in order to manage the supply of a natural resource.
OPEC works to balance both the production and price of oil so that customers are able to receive a consistent supply of petroleum and investors in the industry are able to make profit from their investments.
The people’s republic of China
Line segments have two end points
rays only have one end point
Meridians are perpendicular to every latitude<span>. ... All the other </span>longitudes are measured<span>, and named after the angle they make with respect to the center of the Earth from the intersection of the Meridian and the Equator. Since a sphere has 360 </span>degrees<span>, the Earth is divided into 360 </span>longitudes<span>.</span>