Given below are two statements, one is labelled as Assertion (A) and the other is labelled as Reason (R): Assertion (A) : Coral reefs are generally found near the coastal regions of temperate areas.Reason (R) : Corals require clean, well-lighted water between 18 °C and 30 °C. They are intolerant of low salinity and low light levels. In the light of the above statements, choose the correct answer from the options given below: