Among the following greenhouse gases, the emissions of which one of the following is entirely anthropogenic?
Answer : B. Chlorofluoro carbon
Which gas from Mathura refinery is a threat to Taj Mahal?
Answer : B. Sulphur dioxide
The water pollution in river is measured by the dissolved amount of
Answer : D. Oxygen
The gas that is responsible for global warming is
Answer : A. Carbon dioxide
Which one of the fuel causes minimum environmental pollution?
Answer : C. Hydrogen
Acid precipitation is now regarded as a serious problem in some European and Asian countries.Its major cause or source is
Answer : B. emissions of sulphur oxides and nitrogen oxides from thermal power plants and burning of fossil fuels; these oxides dissolve in atmospheric water vapour and fall back on earth as acid rain