Land
Water
Air
100

What is the name of the trend where people move from farms into cities?

What is urbanization

100

How percentage of fresh water is found at the poles and in glaciers?

About 77%
100

What pollutant is released in car exhaust?

Carbon monoxide

200

What event caused people to move closer to cities to find reliable work and income?

What is the Industrial Revolution

200

Which part of water treatment is responsible for generating sewage sludge?

What is the settling tank

200

What land feature can make the heat island effect worse / makes a city more susceptible

Hills and mountains

300

The role that organisms play in creating a healthful  environment for humans is called what?

What is an environmental service

300

What are the 3 toxic metals in waste water that have to be filtered out?

Lead, Arsenic, Cadmium

300

What two words are combined to form the word smog?

smoke and fog

400

What term is used to describe any land that is sparsely settled and primarily used for farming and resource production?

What is rural land

400

What is the pollutant compound in acid rain?

Nitric acid / sulfuric acid / carbonic acid

400

What is the biggest source of light pollution in cities?

Streetlights and billboards

500

How much more timber do Americans use compared to the rest of the world?

About 3.5x

500

What was the main pollutant in the water in Flint, MI

Lead

500

What is it called when an air pollutant makes everyone inside a building sick, even if they were on a different floor?

Sick Building Syndrome

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