Welding is a joining process that produces materials by heating them to the welding temperature, with or without the application of pressure or by the application of pressure alone, and with or without the use of filler meta

select one:
a. mixing
b. coalescence (correct)
c. adhesion
d. covalent bonding

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