Someone plz help I’m really struggling

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

How does a large body of water, such as the ocean, influence climate?

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy