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15
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How can we use nitrogren?
Different technological processes, such as to make fertilizer and refrigerants to conserve food.
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boom
Lose 50 points!
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seesaw
Swap points!
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gift
Win 15 points!
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baam
Lose 25 points!
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15
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What properties does the soil have?
It has many minerals as well as organic matter and air.
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15
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What happens with the water vapour in the air when it is hot?
When the temperature is higher, there is more water vapour in the air. That is why tropical areas of the earth are more humid.
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15
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What does the biosphere include?
It includes all living things and the outer layers of the earth.
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How much of the ocean covers the earth?
70 per cent of the earth's surface is covered by the ocean
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Describe the lithosphere
The lithosphere consists of the earth's crust and the upper part of the cover.
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15
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The ozone layer protects us from what?
The ozone layer of the atmosphere protects the planet from the sun's ultraviolet rays.
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15
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Say two uses of water for the living things.
Component of the body, of the blood, part of plants' cells, habitat, liquid protecting the embryos, etc.
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How much of the total water is available for humans to use?
Only three percent of the total water on earth is freshwater
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What can we get from petroleum?
Fuels, colorants, cosmetics, medicine, etc.
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How can we use energy from the wind?
It can be transformed into electric energy.
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heart
Other team wins 10 points!
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seesaw
Swap points!
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fairy
Take points!
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25
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lifesaver
Give 10 points!
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15
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Say two uses of water at industry.
To process food, to create clothes, to create energy, etc.
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banana
Go to last place!
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star
Double points!
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shark
Other team loses 10 points!
Okay!
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banana
Go to last place!
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boom
Lose 50 points!
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star
Double points!
Okay!
×
shark
Other team loses 25 points!
Okay!
×
lifesaver
Give 15 points!
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×
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