Daily changes in the elevation of the ocean surface are called . density currents waves tides

Which equation is used to calculate the magnetic force on a charge moving in a magnetic field

Which is an example of a population?

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen