Can somebody please help me please!!

What is driving behind plate tectonics (plate movment)? a) gravity only b) inertia c) convection and gravity d) the sun theres no option for science so i picked chemistry. plz

Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.