The increasing amount of carbon dioxide in the air is slowly raising the temperature of the atmosphere, because it absorbs:
Consider the following:
1) Rice fields
2) Coal mining
3) Domestic Animals
4) Wetlands
Which of the above are sources of methane, a major greenhouse gas?
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The scientific view is that the increase in global temperature should not exceed 2°C above pre-industrial level. If the global temperature increases beyond 3°C above the pre-industrial level, what can be its possible impact/impacts on the world?
1) Terrestrial biosphere tends toward a net carbon source.
2) Widespread coral mortality will occur.
3) All the global wetlands will permanently disappear.
4) Cultivation of cereals will not be possible anywhere in the world.
Select the correct answer using the code given below
In the context of which of the following do some scientists suggest the use of cirrus cloud thinning technique and the injection of Sulphate aerosol into stratosphere?
In the context of mitigating the impending global warming due to anthropogenic emissions of carbon dioxide, which of the following can be the potential sites for carbon sequestration?
1) Abandoned and uneconomic coal seams
2) Depleted oil and gas reservoirs
3) Subterranean deep saline formations
Select the correct answer using the code given below
Which one of the following is associated with the issue of control and phasing out of the use of ozone-depleting substances?
Consider the following statements: Chlorofluorocarbons, known as ozonedepleting substances, are used.
1) In the production of plastic foams
2) In the production of tubeless tyres
3) In cleaning certain electronic components
4) As pressurizing agents in aerosol cans
Which of the statements given above is/are correct?
The formation of ozone hole in the Antarctic region has been a cause, of concern. What could be the reason for the formation of this hole?
The acidification of oceans is increasing. Why is this phenomenon a cause of concern?
1) The growth and survival of calcareous phytoplankton will be adversely affected.
2) The growth and survival of coral reefs will be adversely affected.
3) The survival of some animals that have phytoplanktonic larvae will be adversely affected.
4) The cloud seeding and formation of clouds will beadversely affected.
Which of statements given above is / are correct?