Red Sea Reef, since a reef is a productive and diverse organism with different species of coral.
Answer:A moraine is material left behind by a moving glacier. This material is usually soil and rock. Just as rivers carry along all sorts of debris and silt that eventually builds up to form deltas, glaciers transport all sorts of dirt and boulders that build up to form moraines
Explanation:
Basalt is the main mineral that the oceanic plates are made up of.
Happy Studying! ^=^
I only photographed my textbook but this page gives a lot of information about your question
Cays- they are formed when ocean currents transport loose sediments across a surface of a reef to a despositional node