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

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.