If urea is sold for $250 per metric ton, what is the price of a pound of N in urea?

Okay well gravitational energy is matter forced by gravity making energy though the kinetic energy then the electric energy produces electricity from the kinetic energy and the kinetic energy gets its energy from the gravitational energy. was that the answer you wanted or something else?  

The correct answer is "false"

Answerbonded to an amino group(nh2);