Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Marl deposits are common in lakes/ponds having high amounts of Ca2+ and excessive algal growth.
Reason (R): Removal of carbon dioxide through algal action tend to cause a shift in the form of alkalinity from bicarbonate to carbonate and from carbonate to hydroxide.
In the light of the above statements, choose the most appropriate answer from the options given below:
1
Both (A) and (R) are correct but (R) is the correct explanation of (A)
2
Both (A) and (R) are correct but (R) is not the correct explanation of (A)
3
(A) is correct but (R) is not correct
4
(A) is not correct but (R) is correct