What valuable natural resource was discovered in ecuador's selva in the 1960s?

a. coalb. oilc. goldd. bauxite

Which statement best describes the natural resources of the northeast

What island nation is the only one that shares a border with another country?

What did the discovery of oil in the middle east allow those countries to do?

Which statement describes negative population growth?

How are population concepts used to determine the overall well being of a country.

Dams are often built to generate power. One negative impact of damming a river is reduced flow downstream water storage to battle a drought increased recreation opportunities flood control

What three cities form the global centers of economic activity?

Describe and explain the physical and/or chemical methods used to refine the coal

Explain the characteristics of authoritarianism, and identify two Central Asian countries that have this type of government

Why are the rivers so vital to europe's economy?