1. Layers of atmosphere.
2. Uses of water.
3. Methods of removing insoluble impurities from water.
4. Air pollutants.
5. Renewable forms of energy.
Give two-two examples.
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Answer:
1.Layers of the atmosphere
The Troposphere. This is the lowest part of the atmosphere - the part we live in. ...
The Stratosphere. This extends upwards from the tropopause to about 50 km. ...
The Mesosphere. The region above the stratosphere is called the mesosphere. ...
The Thermosphere and Ionosphere. ...
The Exosphere. ...
The Magnetosphere.
2. The most common water uses include:
Drinking and Household Needs.
Recreation.
Industry and Commerce.
Agriculture.
Thermoelectricity/Energy.
3. The impurities which remain insoluble in water can be removed by process such as Sedimentation, Decantation and filtration.
4.The common air pollutants are:
Particulate matter (PM10 and PM2. ...
Ozone (O3)
Nitrogen dioxide (NO2)
Carbon monoxide (CO)
Sulphur dioxide (SO2)
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Answer:
1) Stratosphere
Troposphere
2) Water is used for drinking
Water is used for washing clothes
3) Filtration
Evaporation
4) Carbon monoxide
Sulphur dioxide
5) Coal
oxygen
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