20 points - what changes to american life occurred as a result of world war ii?
answer asap you

a - schools closed at lunchtime so that older children could work and support their families.
b - food and daily supplies became scarce, so people lived with the practice of rationing.
c - public transportation was suspended due to gas rationing.
d - women quit having children because the government asked them to.

Ascientist successfully predicts the outcome of an experiment. you watch carefully and know he didn't cheat. the scientist's success shows that: a) the scientist knows absolute truth about this experiment; success is not possible unless you know the truthb) the scientist was just lucky; no one ever knows what's going on, so successful predictions require luckc) the scientist may know the truth, or at least know something that is close to the truth, or the scientist may have gotten lucky this time; you can't be absolutely sured) the scientist really was cheating, even though you didn't see the cheating; no one can get things right, except by cheatinge) the scientist spent the night at a particular hotel chain and go a free breakfast, giving the scientist the ability to do amazing things