Question

How do coral reefs grow?

A) Coral reefs grow from the melted rock that flows from underwater volcanoes.
B) Coral reefs are comprised solely of limestone deposits.
C) Coral reefs grow similar to a plant.
D) Coral reefs grow upward an accumulation of calcium containing exoskeletons of past generations of coral animals.

Answer 1

A) coral reef grows from melted rock that flows from underwater volcanoes

Answer 2

How do coral reefs grow?

A) Coral reefs grow from the melted rock that flows from underwater volcanoes.