A company wants to build a new type of spaceship for transporting astronauts to the moon. What should the company do first?A. Test the prototype. B. Evaluate the design. C. Build a model. D. Identify needs.

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