Question

Coral reefs are mostly found in seas. A. deep and cold B. deep and tropical C. Shallow and wide D. Shallow and tropical seas​

Answer 1

• Answer:

options B

• Explanation:

They are most commonly found at shallow depths in tropical waters, but deep water and cold water coral reefs exist on smaller scales in other areas. Coral reefs have declined by 50% since 1950, partly because they are sensitive to water conditions.