Hydrosphere Study Guide

Front

Which is most likely an example of point source pollution? Options: fertilizer sprayed onto a field, water runoff from a city street, a pipe flowing into a river

Back

a pipe flowing into a river

Front

Which describes an estuary?

Back

The wide, lower course of a river where fresh and salt water mix.

Front

Where does most fresh water exist? Options: ice caps, lakes, and streams; glaciers, rivers, and oceans; aquifers, ice caps, and glaciers.

Back

aquifers, ice caps, and glaciers

Front

An area of land that drains into a body of water.

Back

watershed

Front

The change of water from a liquid to a gas.

Back

evaporation

Front

How much of the earth's water is freshwater?

Back

3 %

Front

Which human activity can speed up the process of eutrophication? Options: Building cities, Nuclear power plants, Deforestation, Farming

Back

Farming

Front

What is Point-Source pollution?

Back

pollution coming from a specific one site

Front

Eutrophication

Back

The enrichment of an ecosystem with chemical nutrients

Front

How much of Earth's water is unavailable for humans to consume due to its high salinity?

Back

97%