Technician A says diesel fuel is more volatile than gasoline. Technician B says that the viscosity of diesel fuel changes with temperature. Who is correct

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.

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

What natural processes produce large quantities of co2