How coral islands are formed?

Corals are skeletons of tiny marine animals called Polyps. When the living polyps die, their skeletons are left. Other polyps grow on top of the hard skeleton which grows higher and higher, thus forming the coral islands.

[vickypurve]

Ncert 6th ka copy kre hoo kuch apna bhi kr lo

[Knowledge-facts]

Copy karte ho ncert book ko to likhona ki kye book kaheh bolke😂