Cities and Urbanization

What is urbanization?

• The migration of people from cities to rural areas

• The expansion of rural areas

• The creation and growth of cities

• The decline of population in cities

What are some advantages of high population density in cities?

• Easier coordination of community efforts

• Better access to medical care

• None of the above

• Both A and B

How can high population density in cities negatively impact the environment?

• Strain on natural resources

• Increased air and water pollution

• Both A and B

• None of the above

What is the ratio between green space and gray space in a city?

• The ratio of vegetation to buildings and paved surfaces

• The ratio of parks to parking lots

• The ratio of trees to roads

• The ratio of gardens to sidewalks

How can green spaces help prevent flash flooding?

• Plants soak up water

• None of the above

• Both A and B

• Plants create shade and cool things down

What are green roofs?

• Buildings with solar panels on their roofs

• Buildings with rooftop gardens

• Buildings with green-colored roofs

• Buildings with plants on their roofs

How can rain gardens help prevent water pollution?

• None of the above

• Both A and B

• They filter pollutants in the runoff

• They filter water back into the ground

How can permeable surfaces help with groundwater recharge?

• None of the above

• Both A and B

• They prevent saltwater intrusion

• They allow water to seep back into the ground

What is saltwater intrusion?

• Contamination of soil by saltwater

• Contamination of freshwater supply by saltwater

• Contamination of saltwater supply by freshwater

• Contamination of groundwater by pollutants

How can cities reduce air pollution?

• Make public transportation more convenient and affordable

• None of the above

• Cluster grocery stores, offices, and homes closer together

• Both A and B