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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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15
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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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What properties does the soil have?
It has many minerals as well as organic matter and air.
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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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Say two uses of water at industry.
To process food, to create clothes, to create energy, etc.
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lifesaver
Give 10 points!
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gold
Win 50 points!
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rocket
Go to first place!
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lifesaver
Give 25 points!
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15
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How can we use energy from the wind?
It can be transformed into electric energy.
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What can we get from petroleum?
Fuels, colorants, cosmetics, medicine, etc.
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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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Say two uses of water at home.
Shower, drink, clean, pool, etc.
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monster
Reset all scores!
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rocket
Go to first place!
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rocket
Go to first place!
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banana
Go to last place!
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15
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Describe the Atmosphere
The atmosphere is a layer of gas that covers the surface of the earth. It protects us from extreme weather.
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15
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Describe the hydrosphere
The hydrosphere consists of all the water on earth: oceans, rivers, lakes, glaciers, polar ice caps and the small drops of water in the atmosphere.
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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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15
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Why is water important for pregnant women?
Because the liquid that protects the development of the embryos principally consists of water.
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trap
No points!
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star
Double points!
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gift
Win 10 points!
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baam
Lose 10 points!
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