The most important measure of the size of a river is the
a. size of its watershed.
b. number of its tributaries.
c. width of its mouth.
d. volume of its discharge

In 1933 the 21st amendment was added to the u. s. constitution, allowing for the manfacture, transportation, and sale of alacoholic beverages in the united states. why was this amendment needed?

What can happen to solar radiation when it enters earths atmosphere? check all that apply 1)it is absorbed by earth. 2)it is reflected by clouds. 3)it is reflected by glacial ice. 4)it is condensed into visible light. 5) is amplified by water molecules.

Name one type of data that h-r diagrams do not show.