It includes all living things and the outer layers of the earth.
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Say two uses of water at home.
Shower, drink, clean, pool, etc.
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How can we use energy from the wind?
It can be transformed into electric energy.
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What is the greenhouse effect?
This effect makes the earth retain heat from the sun in its atmosphere. This causes the earth to have a temperature of about 15šC. Weather stability for life.
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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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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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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 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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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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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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How can we use nitrogren?
Different technological processes, such as to make fertilizer and refrigerants to conserve food.
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What are the three zones of the Biosphere?
The lithosphere, atmosphere and hydrosphere
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What properties does the soil have?
It has many minerals as well as organic matter and air.