To grow, reefs need which of the following? ? to grow, reefs need which of the following? a warm temperatures b constant salinity c plenty of sunshine d all of the above coral reefs are primarily found a north of the tropic of cancer b between the tropic of cancer and the tropic of capricorn c just along the equator d south of

45 points how are people today being protected from tsunamis? earthquake data is analyzed to detemrine if a tsunami is likely, and if so, warnings are sent out. areas in tsunami risk zones are no longer heavily populated. radar is used to measure wave heights regularly. meteorologists study the winds to determine if wave heights will be large.