Question

what are the geographical conditions are required for forming a coral reef​

Answer 1

Answer:

Clear water: Corals need clear water that lets sunlight through; they don't thrive well when the water is opaque. Sediment and plankton can cloud water, which decreases the amount of sunlight that reaches the zooxanthellae. Warm water temperature: Reef-building corals require warm water conditions to survive.

Explanation:

Hahaha I copy it from Google

Answer 2

Answer:

Clear water. Corals need clear water thats don't trive well when the water is opaque.