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Answers
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answer no. 1 ) Here are some tips that will save you a lot of petrol:
Walk, bus, or ride a bike
If it's too far to do any of those, ride a scooter or other fuel-efficient vehicle
If you must drive a car, drive the speed limit. Go light on the accelerator, and avoid braking
Shop online, and try to run all errands in a row
Carpool
answer no. 2 ) If number of vehicle will keep on increasing then the the air pollution, water pollution and sound pollution will increase. The increase in the number vehicles means the there will be more emission of harmful gasses. The liberation of gasses will ultimately increase the carbon mono oxide in the air. Liberation of gasses from vehicles also contaminate the water.
answer no. 3 ) Nonrenewable energy resources, like coal, nuclear, oil, and natural gas, are available in limited supplies. This is usually due to the long time it takes for them to be replenished. Renewable resources are replenished naturally and over relatively short periods of time.
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