As the seafloor of the Atlantic Ocean spreads, the African Plate moves eastward. Over the last 100 million years, the plate has moved approximately 2,100 kilometers. How many centimeters per year does it move eastward?

Calculate the amount of heat produced when 18000 coulombs of charge is transferred in one hour through a potential difference of 50v

This is the number of complete movements of a wave per second.

Atemperature inversion can cause a warm air mass to move over a colder air mass. this traps the colder air mass and prevents surface air from rising. this may result in which of these? a) smog b) acid rain c) freezing rain d) a thunderstorm