easy
medium
hard
very hard
extreme
100
An unwanted change in the environment caused by substances or forms of energy.
What is pollution
100
How much garbage does a human throw away on average per week??
What is 12Kg.
100
What kind of wastes can catch on fire, corrode, explode, or make people sick??
What is Hazardous waste?
100
What can pollutants harm?
What is plants, animals, and humans?
100
Where does all the garbage we waste go?
What is landfill?
200
Chemicals that help humans can do what do nature?
What is pollute soil and water and kill animals in the area.
200
What do CFCs do??
What is destroy Ozone
200
What was PCBs once used in?
What is applicants and paints?
200
Why is radioactive waste harmful?
What is because it gives off radiation.
200
How long can it take for radioactive waste to become harmless.
What is thousands of years.
300
Since the industrial revolution what gas has increased in the air?
What is carbon dioxide.
300
Carbon dioxide and other air pollutants act like a green house, what does this mean?
What is that it traps heat around the earth.
300
Noise pollution affects your ability to....
What is hear and think clearly.
300
A natural resource that can be replaced at the same rate that it is consumed.
What is renewable resource.
300
A resource that forms at a rate that is much slower than the rate that it is consumed.
What is nonrenewable resource.
400
As nonrenewable resources become harder to find they will become...
What is more expensive.
400
The number and variation of organisms in a given area during a specific time period.
What is biodiversity.
400
The preservation and wise use of natural resources.
What is conservation.
400
The process of recovering valuable or useful materials from waste or scrap.
What is recycling.
400
The best way to conserve earth's natural resources.
What is use less of them!
500
Solar energy is..
What is a alternate way of getting energy without using fossil fuels.
500
Name some building materials that can be reused.
What is wood, bricks, and tiles.
500
How many liters of water are used each day in American Homes.
What is 100 billion liters.
500
What does the Endangered species act do.
What is prevents any activities that would harm a endangered species.
500
What is the Environmental Protection Agency (EPA)
What is a government agency that helps protect the environment.
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