How many major plates do scientists estimate the earth has? how can a plate have both oceanic and continental crust? fast fast fast

Plants that have reproductive structures called cones are?

What are examples of the plant life and animal life that can be found in each type of terrarium

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.