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100

A moving destructive vortex of rotating wind

What is a tornado

100

Changes that occur to one area of Earth such as a volcano or an earthquake

What are geologic events?

100

Scarce materials that were not made by humans and can be found in the environment

What are natural resources

100

the action of the surface that removes soil and rock

What is erosion?

100

the natural home or environment of people, animals, and organisms.

What is a habitat?

200

Shaking of the surface of the earth

What is an earthquake?

200

Movement of people from one geographic region to another

What is migration?

200

The number of people

What are populations?

200

coal or gas formed from geological organisms

What are fossil fuels?

200

amount of produce harvested at one time

What are crops?

300

An overflow of water covering a large surface area

What is a flood?

300

A modification to the overall patterns in an environment that lasts for decades or centuries

What is climate change?

300

a process of plants producing carbon dioxide

photosynthesis

300

a substance that has a molecular structure

What is a polymer?

300

a resource that cannot be replaced by natural means

What is a non-renewable resource?

400

allows lava and ash to escape the molten chamber 

What is a volcano?

400

Events that can harm humans such as hurricanes, forest fires, and blizzards

Natural Hazards

400

People rely on this for drinking and growing crops

What is freshwater?

400

Avoidance of the depletion of natural resources

What is sustainability?

400

the upper outermost layer of soil

What is topsoil?

500

a seismic sea wave

What is a Tsunami?

500

the number of people or organisms that can be supported in a region

What is carrying capacity

500

moving from one habitat to another

What is migrate?

500

environmental pollution originating in human activity

What is anthropogenic?

500

a natural resource that can be replenished or replaced

What is a renewable resource?

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