A list of some aspects of cell theory is below. 1. All living cells must have a cell wall. 2. All living cells require oxygen for survival. 3. The basic unit of life is a cell. Which of the aspects above are included in cell theory? A) 1 only B) 1 and 3 Eliminate C) 2 and 3 D) 3 only

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.