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

10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!