EXAMIANS
Low level ozone is referred to as __________ ozone.
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Which one of the following is the non-renewable resource?
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Animal dung is __________ waste.
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_________ is mixed with petrol for being used in automobiles.
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Which one of the following is the most stable ecosystem?
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Soil pollution is caused by
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A biodegradable plastic developed by Biopak Corporation Australia
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Official date of Earth Day is on _________
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All are insitu conservation efforts except
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Grassland of USA is referred to as
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