Grade 8 PREP Chapter 6 Environmental Impact Test

A brown smog formed with the aid of light is __________ smog.

• nitrogen
• photochemical
• natural gas
• oxygen

Sunlight reacts with waste gases to form __________

• carbon dioxide
• ultraviolet radiation
• ozone
• none of the above

A cause of acid rain is

• the exhaust from cars
• emissions from coal-burning power plants
• moisture in the air
• all if the above

A measure of the strength of acid rain can be given using

• an acid
• a base
• a pH scale
• all of the above

A way for individual citizens to improve air quality is to ___________ .

• take more showers
• burn trash
• use public transportation
• recycle water bottles

What is affected by the use of products containing CFC's?

• the ozone layer
• the PH of the soil
• respiratory health
• all of the above

Which of the following releases carbon dioxide into the atmosphere?

• burning wood
• cellular respiration
• the decay of dead organisms
• all of the above

Toxins from industrial factories have gone down by 90% since the passage of which law?

• Clean Air Act
• Montreal Protocol
• Kyoto Protocol
• Warsaw Pact

When the ozone layer thins, more ________ reach Earth's surface

• UV rays
• Carbon dioxide particles
• water particles
• smog particles

Population explosion refers to the

• estimated world population in 2025
• number of people who live in poverty
• world population 1810
• increased rate at which the population is growing