Archive
16th of September 2015
Social Studies
Q:

what are corals?

Mehak Srivastava - CBSE - Class VI

Wednesday, September 16, 2015 at 18:10:PM

A:

Dear Mehak,

Corals are hard stony substance secreted by certain marine coelenterates as an external skeleton, typically forming large reefs in warm seas.

Wednesday, September 16, 2015 at 18:13:PM