Assertion: Deforestation is one main factor contributing to global warming.
Reason: Besides $CO_2$,two other gases,methane $(CH_4)$ and $CFCs$,are also included under greenhouse gases.

  • A
    If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
  • B
    If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
  • C
    If the Assertion is correct but Reason is incorrect.
  • D
    If both the Assertion and Reason are incorrect.

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Similar Questions

Match the following columns:
Column-$I$Column-$II$
$(a)$ Environment Act$(1)$ $1974$
$(b)$ The Air Act$(2)$ $1987$
$(c)$ The Water Act$(3)$ $1986$
$(d)$ Amendment in The Air Act$(4)$ $1981$

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.

Assertion: Eutrophication shows an increase in productivity in water.
Reason: With increasing eutrophication,the diversity of the phytoplankton increases.

The $CO_2$ content of the atmosphere has increased in the last $150$ years from:

Provide the full names for the following abbreviations:
$(i)$ $JFM$
$(ii)$ $CPCB$

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