Oil and natural gas are made of what? a. material from decayed land plants b. volcanic ash deposits c. the remains of dead marine organisms d. compacted sand

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.