Show:
Air Pollution
Air Pollution-2
Air Pollution-3
Acid Rain
Water Pollution
100
Haze can be caused by__________________.
What is burning fossil fuels?
100
Smog development is affected naturally by _______________.
What is landforms?
100
In 1900, diplomats from around the world signed a treaty to eliminate the use of _________________.
What is chlorofluorocarbons (CFC's)?
100
A measure of the strength of an acid can be obtained using ____________________.
What is a pH scale?
100
A way for individuals to reduce water pollution is to _____________.
What is plant forests?
200
A combination of smoke and fog is _________________.
What is smog?
200
Sunlight reacts with waste gases to form_______________.
What is ozone?
200
A goal of the 1990 Clean Air Act is to reduce_____________.
What is sulfur dioxide?
200
A plant's resistance to diseases, insects, and bad weather can be lowered by ____________________.
What is acid rain?
200
Water pollutants include_______________.
What is bacteria, radioactive materials, and runoff from mines?
300
A brown smog formed with the aid of light is ____________ smog.
What is photochemical?
300
Acid rain is created when emissions from coal-burning power plants combine with moisture to form________________________.
What is sulfuric acid?
300
Ways to support the Clean Air Act include______________.
What is using less electricity?
300
Air pollution can be controlled by_________________.
What is putting scrubbers on power plants?
300
Farms often pollute water through the use of ___________________.
What is pesticides and herbicides?
400
Heat from burning fossil fuels causes the formation of ____________________.
What is nitrogen compounds?
400
A cause of acid rain is _______________________.
What is the exhaust from cars, emissions from coal-burning power plants, and emissions from airplanes?
400
Mountains may contribute to smog formation by _______________.
What is blocking air circulation?
400
Some coal contains a high amount of ________________.
What is sulfur?
400
An example of a polluted water source that had improved because of cooperation between the United States and Canada is _______________________.
What is Lake Erie?
500
Burning of fossil fuels in electrical power plants helps create ___________________.
What is sulfurous smog?
500
Air pollution affects people's _____________.
What is lungs, eyes, and hearts?
500
Wind direction and precipitation patterns determine the presence of ______________________.
What is acid rain?
500
Acid rain does the greatest damage to_________________.
What is acidic soils?
500
This plant is known for removing large amounts of pollutants from water.
What is the water hyacinth?