The discharge of a river traveling through a temperate region will typically ________ downstream; the discharge of a river traveling through an arid region will typically ________ downstream.
A) increase; increase
B) decrease; decrease
C) increase; decrease
D) decrease; increase

Question

Quizplus · Accepted Answer

In a temperate region, rivers gain water from tributaries and groundwater, increasing discharge downstream. In arid regions, high evaporation and lack of tributaries often decrease discharge downstream.

The Discharge of a River Traveling Through a Temperate Region