Which of these rivers is one of two major waterways that feed into the aral sea?
a. amu dar'ya
b. yellow river
c. danube river
d. volga river

Awatershed is a piece of land that drains water into a particular stream, lake, or river. which of the following factors often negatively impacts the water quality in a watershed? a.) wetlands b.) pollution c.) irrigation d.)rainfall

Distance that the transcontinental railroad covered from omaha to san francisco.

The primary agent of contact metamorphism is