What common items used today were invented during the war.

Why are gold and platinum used for jewelry

Consider a normal distribution of frog weights with u = 500 grams and o = 65 grams. a sample of size 2,000 is drawn from this population. approximately how many of the 2,000 cases would you expect to find between 435 and 565?

In 1919, the temperance movement finally succeeded. they secured ratification of a constitutional amendment (the that banned alcoholic beverages. prohibition began with the 1920 passage of the which enforced the amendment.