Other than CO2 which of these contribute towards the green house effect?
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Several countries have signed ______ protocol to reduce the emission of green house gases to conserve ozone layer from getting depleted in the atmosphere.
Which one of these causes is not a man-made pollution?
Which of the following are used in electric water filters to kill all the harmful micro-organisms present in tap water and make it absolutely safe for driving?
Volcanic eruption is a natural cause of air pollution.
Which of the following will reach the earth in greater amounts if the amount of chloroflouro carbons released into the air increases
Which disease can be possible due to drinking of polluted water?
Which of these gases is present in highest percentage in air?
Sculptures/monuments and buildings are destroyed by
Biological pollution in water is caused by
A substance used for disinfecting water is
The ozone layer in our atmosphere protects us from the harmful effects of ultra violet rays which can cause
Which of these are causes of air pollution?
Which of these metals is/are found generally in the contaminated water bodies?