Select all the factors that increase the erosion a river causes.

a. greater salinity
b. greater rate of flow
c. higher temperature of the water
d. more dissolved particles in the water

What is thought to have caused the mass extinction at the end of the cretaceous period?

What was the land like over 500 million years ago? what was under the sea?

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.