Which of the following is of more immediate concern regarding the carbon cycle?

  • A
    Output rate of carbon locked in deposits of coal,petroleum,and natural gas
  • B
    Greenhouse gases
  • C
    Increase in the total mass of carbon in the Earth's atmosphere by $12-14\%$
  • D
    All of the above

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The Ministry of Environment and Forest has initiated the Ganga Action Plan and Yamuna Action Plan:
$(i)$ To save these major rivers of our country from pollution.
$(ii)$ It is proposed to build a large number of sewage treatment plants.
$(iii)$ Under these plans,only treated sewage may be discharged into the rivers.

Where was the attempt to treat wastewater by combining artificial and natural processes carried out?

What kind of process is integrated organic farming?

Which of the following is $NOT$ a bioindicator of water pollution?

Using Ahmed Khan's method in Bangalore,approximately $Q$ kilometers of road have been laid by the year $P$.

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