Assertion (A): Negatively charged soil particles attract positive ions like Ca++ and Mg++ Reason (R) : The attraction keeps the ions at soil level for ready availability.

Environment Studies (Science) (M.Phil./Ph.D.) 2014 Panjab University Entrance Exam With Answers

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21.

A: Both (A) and (R) are true and (R) is the correct explanation of (A)

B: Both (A) and (R) are true but (R) is not the correct explanation of (A)

C: (A) is true but (R) is false

D: (A) is false but (R) is true

The answer is: A

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