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100
Mountains, trees, and distance from the equator affect this.
What is climate
100
Landform and climate are two types of these.
What are regions?
100
Coal, natural gas, and oil are examples of this.
What are nonrenewable resources?
200
Water and wind wear away the land in this process.
What is erosion?
200
The closer you are to this the warmer the climate. The farther away you are from this the cooler the climate.
What is the equator?
200
Trees, crops, and fisheries are examples of this.
What are renewable resources?
300
When regions use this, they can produce goods at a lower cost.
What is specilization?
300
This helped Denver's population to grow from 1890 to 1990.
What is the discovery of gold and silver?
300
Water, wind, and sunlight are examples of this.
What are flow resources?
400
Farm tractors and computers are a type of this resource.
What are capital resources?
400
This helped San Diego, California grow.
What is a good harbor which helped shipping and trade grow?
400
Human activities affect the environment. Mining may make nearby rivers unsafe for fish, wildlife, and people. Humans use ships to carry important cargo. Sometimes plants and animals travel with the ships and affect the local ecosystems. Name two ways human activities affect the environment.
What is mining that makes rivers unsafe and shipping that can affect ecosystems?
500
This exists when people cannot get everything they would like.
What is scarcity?
500
These are the largest mountain range in the eastern United States.
What are the Appalachian Mountains?
500
Sharp mountain peaks (Rocky Mountains) and deep canyons (Grand Canyon) are found in this part of the United States.
What is the western part?