-What is the purpose of the lab, the importance of the topic, and the question you are trying to answer? the car and washer​

answer; i believe that the correct answer is (d) a very small amount of mass

photocells convert light energy to electricity

what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.