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Switch off the lights and fans when not in use
use bicycle rather than going on a vehicle which produces smoke
use of  air purifiers in industries must be maintained
old vehicles which are not efficient to use must be stopped at use 
renewable fuel should be used rather than petroleum 
5 4 5
1.plastic bags can be reused instead of buying a new one.
2.kitchen waste can be used for gardening instead of buying fertilizers
3.rice washed water can be used to water plants instead of throwing.this will reduce the garbage and also water.
4.newspapers can be used to cover the books instead of buying new cover from the store.
5.cycle could be used to travel short distances rather than bike or cars.this will reduce the petrol or diesel used
3 5 3
hope dis hlps...................^-^
plz mrk dis brainliest.......if u lyk
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