Question : Assertion: Red algae contribute in producing coral reef. ltbr. Reason: Some red algae secrete and deposit calcium carbonate our their walls.

Question : Assertion: Red algae contribute in producing coral reef. lt

1.	Question : Assertion: Red algae contribute in producing coral reef. ltbr. Reason: Some red algae secrete and deposit calcium carbonate our their walls.
Answer» If both Assertion and REASON are true and the RASON is a CORRECT explantion of the Assertion . If both Assertion and Reason are true but Reason is not a corret explanation of the Assertion . If Assertion is true but Reason in FALSE . If both Assertion and Reason are false . Answer :A