Which labeled diagram of a pair of waves would demonstrate the greatest constructive interference?

a) a
b) b
c) c
d) d

operation overlord was the codename for the battle of normandy, the allied operation that launched the successful invasion of german-occupied western europe during world war ii. the operation was launched on 6 june 1944 with the normandy landings

a. poison gas was sprayed over battlefields by airplanes to weaken enemy positions before major attacks.

c or d. good luck !