Trees & Water
Underground rock formation that holds water
Aquifer
The thin layer of gases that surrounds the Earth
Atmosphere
Structures such as roads, schools, and power lines built by cities for public use
Infrastructure
Soil
What are the three "R's" of waste management?
Reduce, reuse, and recycle
Which type of irrigation is the most efficient and goes directly to the soil?
Drip irrigation
What is the difference between weather and climate?
Weather: short term
Climate: long term
Rapid growth at the edges of cities
Urban sprawl
A condition that occurs when people do not consume enough calories or variety of foods
Malnutrition
A site where solid waste is buried and compacted.
Landfill
Which type of forest contains the greatest variety of habitats?
Old-growth forests
What is the cause of most of the warming that has happened on Earth in the last hundreds of years?
Human activity
What is the term for the movement of people from rural areas into cities?
Urbanization
A large area seeded with only one crop is known as a
monoculture
What is one benefit of incinerating waste?
-Can decrease the volume of waste
-Process can generate electricity
What is it called when fertilizers and pesticides wash into rivers and lakes?
Runoff
How does the ozone layer benefit living things on Earth?
Protects them from the sun's ultraviolet rays
Why did most people leave the suburbs to go to the city?
Look for jobs
Farming without synthetic fertilizers or pesticides is called
Organic farming
Municipal solid waste
What is the name for the land that drains into the same river or body of water?
Watershed
Which greenhouse gas is produced the most by burning fossil fuels?
Carbon dioxide (CO2)
How can planting trees help reduce the effects of urban heat islands?
-Provide shade
-Limit heat absorption
-Clean air
Why is erosion more likely when the soil is bare?
-No roots to hold the soil in place
-Wind and water can easily wash the soil away
What is composting?
Converting organic waste into mulch or humus by natural decomposition