What type of energy does a ball have when it rolls down a hill? А
kinetic energy
B
light energy
magnetic energy
D
nuclear energy

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

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space

If many scientists conduct the same or similar experiments, and all obtain similar results, a can be written, which is a generally agreed-upon statement that explains and predicts how a natural phenomenon works.