If you are pushing a tissue box across a desk with 5N of force and the force
of friction is 2N, what is the net force? (enter in a number with units and no
spaces)

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