So I got this Project called Finding the Dew Point it says I get a can that is shiny I just what to know why does the can have to be shiny
I think I chose the wrong subject I don't if I did or didn't I very sorry if I did chose the wrong subject

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