If the components of a solution are in the same state, which one is the solvent?

Can someone me with 3 and 4 plz. this is for masteries test.

Avolleyball player hit a ball with a mass of 0.25 kg. the average acceleration of the ball is 15.5 m/s². how much force did the volleyball player apply to the ball? 62.0 n 3.87 n 62.0 m/s² 3.87 m/s²

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