As light shines from air to another medium, i = 42.0°. The light bends toward the normal and refracts at 38.0° What is
the index of refraction?

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