During world war ii, both the allied and axis powers used propaganda to
a. weaken public support for the war.
b. downplay public opinion.
c. manipulate the public through the use of humor.
d. shape public support of the war

Achemistry student needs of 40ml diethylamine for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of diethylamine is 0.7 . calculate the mass of diethylamine the student should weigh out. round your answer to significant digits.

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

Explain how the energy of rubber ball is tranforned as it roll down a ramp. give evidence that the energy of the og the ball remains the same at all points on the ramp