Water and Water Pollution review

A process that includes filtration and chlorination

• Eutrophication

• Nonpoint-source Pollution

• Watershed

• Water purification

Area of land that is drained by a river is called a __________.

• Watershed

• Water purification

• Aquifer

• Eutrophication

Water pollution that washes into storm sewers from many places, such as parking lots and lawns

• Eutrophication

• Nonpoint source pollution

• Water purification

• Aquifer

Underground rock formation that holds water

• Aquifer

• Water Purication

• Nonpoint-source Pollution

• Ramification

Process by which nutrients increases in a lake while oxygen levels decrease

• Watershed

• Eutrophication

• Nonpoint-source pollution

• Aquifer

When neighborhood residents noticed a large number of dead fishes in a local creek, they traced the problem to a nearby gas station. It turned out that a gasoline tank had developed a leak. This is an example of

• Point-Source pollution

• Nonpoint-source pollution

• Thermal Pollution

• Groundwater Pollution

Three percent of the world’s water resources are found as

• Freshwater

• Salt water

• Icecaps and glaciers found at the poles

• Groundwater

Which of the following processes is not a part of the water cycle?

• Evaporation

• Condensation

• Biomagification

• Precipitation

Pollutants in the ocean come from

• Commercial boats and personal watercraft like jet skis

• Oil spills from oil tankers

• Activities on land such as littering

• All of these can contribute to ocean pollution

During the water treatment process, what is the purpose of adding chlorine to water?

• To remove large debris

• To form flocs

• To kill or limit bacterial growth

• To remove unwanted gases