jaimekohl jaimekohl
  • 17-12-2020
  • Biology
contestada

What is a coral reef made of?
A. Grass
B. Dead animals
C. Volcanic rocks
D. Sand

Respuesta :

Elle2342
Elle2342 Elle2342
  • 17-12-2020
The answer is B. Dead animals
Answer Link
madelynrose madelynrose
  • 17-12-2020

Answer: B. Dead animals

Explanation:

Coral reefs are made with calcium. How do they get this calcium? From the skeletons of various organisms in the ocean.

Answer Link

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