Question
How can you help reduce air pollution at the individual level?
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Answer
Pollution is not a distant phenomenon anymore. It is affecting the quality of our day to day lives. We must realize our responsibility and should start using the following environment$-$ friendly processes:
$-$We should switch to cleaner fuels like $\text{CNG}$$-$ Compressed natural gas and $\text{LPG}$ Liquified petroleum gas for both industries and automobiles.
$-$Automobiles should also use unleaded petrol.
$-$We should plant more trees which will help to control deforestation.
$-$Industrial waste should be treated for harmful chemicals before discharging into air the water bodies.
$-$We must switch to alternative fuels instead of fossil fuels. Alternative sources of energy can be solar energy, hydropower and wind energy.
$-$We must encourage the use a public transport, a bicycle or walking for short distances. This will help to reduce the use of fossil fuels.
$-$Burning of plant waste also causes pollution by the emission of smoke. Plant waste must be put in a compost rather than burning.
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Identify the actions involved in the following situations as push or pull, or both:
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→$a.$ Opening a drawer.
$b.$ A cricket ball hit by a batsman.
$c.$ Drawing a bucket of water from a well.
$d.$ moving a book placed on a table.
$e.$ A football player taking a penalty corner.
$f.$ Moving a wheel barrow.
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→$a.$ What could material $A$ be?
$b.$ What is $(i)$ physical state, and $(ii)$ colour, of $A?$
$c.$ Name the processes $(i) B,$ and $(ii) C.$
$d.$ What are $(i) D, (ii) E$, and $(iii) F?$
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