When sun strikes a solar panel, what form of energy is it transformed to? thermal energy
gravitational potential energy
electrical energy
chemical energy

15. one purpose of the tread pattern on a tire is to a reduce tire wear. b. reduce traction c. allow water to flow away from the tire. d. look impressive.

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87

On your wedding day your lover gives you a gold ring of mass 3.67 g. 48 years later its mass is 3.44 g. on the average how many atoms were abrated from the ring during each second of your marriage? the atomic mass of gold is 197 u. don't enter units