It took 3.5 hours for a train to travel the distance between two cities at a velocity 120 miles/hry. how many miles lie between the two cities? what does it look like solving with the equation?

Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air