Assertion : The concentration of methane in t | vedclass

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(A) The concentration of methane in the atmosphere has significantly increased due to human activities,more than doubling over the last $250$ years.We

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If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.

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(A) The concentration of methane in the atmosphere has significantly increased due to human activities,more than doubling over the last $250$ years.Wetlands,rice fields,and livestock are indeed the primary natural and anthropogenic sources of methane.Since the increase in methane concentration is directly linked to the expansion of these sources (like rice cultivation and livestock farming),the Reason correctly explains the Assertion.

Column-$I$	Column-$II$
$(1)$ Arsenic	$(a)$ Minamata disease
$(2)$ Nitrate	$(b)$ Itai-itai disease
$(3)$ Mercury	$(c)$ Blue baby syndrome
$(4)$ Cadmium	$(d)$ Skeletal fluorosis
$(5)$ Fluoride	$(e)$ Black foot disease

Assertion : The concentration of methane in the atmosphere has more than doubled in the last $250$ years.
Reason : Wetlands and rice fields are the major sources of methane.

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Match the columns:
Column-$I$ Column-$II$
$(1)$ Arsenic $(a)$ Minamata disease
$(2)$ Nitrate $(b)$ Itai-itai disease
$(3)$ Mercury $(c)$ Blue baby syndrome
$(4)$ Cadmium $(d)$ Skeletal fluorosis
$(5)$ Fluoride $(e)$ Black foot disease

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Assertion : The concentration of methane in the atmosphere has more than doubled in the last $250$ years.Reason : Wetlands and rice fields are the major sources of methane.