Land, Air, and Water Pollution

How many people does pollution affect worldwide?

• over 200 million people

• less than 200 million people

• 258 million

• 51 billion

What causes land pollution?

• wildfires and volcanoes

• when chemicals or dangerous foreign substances are introduced to water

• garbage from homes and industries

• when people release particles into the air from burning fuels

What causes air pollution?

• throwing wrappers out of a car window

• when chemicals or dangerous foreign substances are introduced to water

• garbage from homes and industries

• when people release particles into the air from burning fuels

What causes water pollution?

• wildfires and volcanoes

• when chemicals or dangerous foreign substances are introduced to water

• garbage from homes and industries

• when people release particles into the air from burning fuels

What are some natural sources of air pollution?

• wildfires and volcanoes

• litter on roads and highways

• spills from trucks

• pesticides and fertilizers

Who is responsible for almost 70% of all litter?

• Trucks and buses

• Animals

• Motorists and Pedestrians

• Schools and Businesses

What is something you can do to prevent land pollution?

• participate in a neighborhood cleanup

• burn fuels such as coal or oil

• have access to clean water

• produce a lot of solid waster

What creates acid rain and smog?

• land pollution

• releasing harmful materials into water

• wildfires and volcanoes

• chemical reactions in the atmosphere

44% of streams, 64% of lakes, and 30% of bay areas are ___________________.

• are clean enough to swim and fish in.

• have trash floating in them.

• not clean enough for fishing and swimming.

• are good for fishing but not swimming.

Sulfur dioxide, carbon monoxide, nitrogen oxides, and chemical vapors are all examples of __________________.

• land pollution

• bacteria

• water pollution

• dangerous gases