They are found worldwide in tropical and warm coastal waters, lagoons, and coral reefs.
Contrapositive is the negation of both the premise and the conclusion. in the other order
Let's take:
conditional statemet: all men are mortal (if one is a man, one is mortal)
the counterpositive is :
is one is not mortal, one is not a man - this statement is also true.
So, the correct answer is: its counterpositice is also true
