Answer:
OPEC is an organization that counts 13 countries, who are among the leaders in the oil-exporting business. The organization was founded in 1960, and today there are 13 member states. Those are Indonesia, Libya, the United Arab Emirates , Algeria, Nigeria , Ecuador , Gabon , Angola, Equatorial Guinea, and Congo. The main of organization is to provide stable and functional market and to create petroleum policies.
Explanation:
Although today there are 13 members, there were sixteen at the time.
Qatar who created the organization in 1960 was not a member since 2019. Indonesia was also a member until 2016, and most recently Ecuador is not a part since 2020.
Road density can be determined by simply dividing the length of road in a polygon by the area. It can also be produced by using a road density AML, which runs in ARC/INFO GRID. This program creates a grid of road density by using a circular, moving window. Must have a roads coverage for the GIS process.