Which of the following diseases spreads due to water pollution?
a) Cholera b) Pneumonia c) Cold
2. The problem of global warming has arisen due to the increase in which gas?
a) Nitrogen b) Hydrogen c) Carbon dioxide
3. Due to which gas is acid rain caused?
a) Oxygen b) Poisonous c) Ozone
4. Which vehicle fuel is pollution free?
a) Kerosene b) CNG c) Diesel
5. Which pollution takes priority over other man-made problems?
a) Air b) Water c) Noise
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2
Answer:
1. cold
2. nitrogen
3. ozone
4. CNG
5. Air
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