Which statement is NOT true about living coral reefs?
A) Coral reefs are generally restricted to water temperatures of 18°C or warmer.
B) Coral reefs are generally restricted to depths of 60 m below sea level.
C) The calcite reef skeleton is built by algae.
D) Algae provide oxygen that a key reef organism uses in order to secrete calcite.
Correct Answer:
Verified
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