Which component of an item has the least mass a. protons b. electrons c. neutrons d. all are the same

Athe top of a hill, an athlete on a skateboard has x joules of mechanical energy. how much mechanical energy will she have at the bottom of the hill? ignore the effects of friction.

Is the idea of spontaneous generation supported by redi's experiment? justify your answer in 2-3 sentences?

Will a solution form when the solvent and solute are both nonpolar? a. not likely b. never c. most likely