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

The images show two different fronts.which fronts are shown? item a shows a cold front, and item b shows a warm front.item a shows an occluded front, and item b shows a cold front.item a shows a warm front, and item b shows a stationary front.item a shows a stationary front, and item b shows an occluded front.