Which statement best explains why water is essential for all living things? water makes up 65% of human beings. water is an essential component of blood. water covers 75% of earth's surface. water is necessary for cellular functions.

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.