All the different kinds of organisms that live in a pond made up a

One use of ultraviolet radiation is ia absorbed by the ozone in the atmosphere and never reaches earth's surface

About how far is Austin, Texas from Dallas, Texas?

What ancient civilization, located on a subcontinent, developed near the Ganges and Indus Rivers? a. Egypt b. Mesopotamia c. India d. China

Why are oceanic gyres not symmetrical (perfect circle) ?

Which blow steadily toward the equator?

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?