As the phase difference between two interfering waves changes from 0 degrees to 180 degrees, the amplitude of the resultant wave 1) remains the same
2) increases
3) decreases

22. the effect of threshold braking is to a cause skids. b. lock wheels. c. prevent locking of wheels. d. increase stopping distance.

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f

Nacidified solution was electrolyzed using copper electrodes. a constant current of 1.18 a caused the anode to lose 0.584 g after 1.52 ✕ 103 s. given that the charge of an electron is 1.6022 ✕ 10−19 c, calculate avogadro's number. assume that copper is oxidized to cu2+ ions.