Currents in the earth's mantle cause plate movement which causes earthquakes and volcanic activity. a) conduction b) convection c) ocean d) radiation i need the answer asap

The intensity, or loudness, of a sound can be measured in decibels (db), according to the equation , where i is the intensity of a given sound and is the threshold of hearing intensity. what is the intensity, in decibels, [i(db)], when ? use a calculator. round to the nearest whole number. 8 9 19 80

How would doubling the made of an object change the objects potential energy

In physics the desire of an object to keep doing what it is doing is termed?