"a 0.200-t magnetic field is directed perpendicular to the plane of a circular loop of radius 0.500 m. what is the magnitude of the magnetic flux through the loop? "

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