Which major event occurred during the first year of herbert hoover's presidency? a) the bombing of the pearl harbor b) the explosion of the hindenburg c) the sinking of the lusitania d) the stock market crash

Ascientist performs an experiment where she measures the mass of a piece of metal, pours acid onto the metal, washes the metal, and then re-measures the mass of the metal. the scientist repeats the experiment several times, each time increasing the amount of acid used. the dependent variable in the experiment is the: initial mass of the metal final mass of the metal amount of acid used washing the metal

The directory was unsuccessful and was eventually replaced because no constitution had been created that outlined its authority. it was connected with the reign of terror. its members did not get along with napoleon. the national convention did not agree with the directory's decisions.

What types of elections are regulated by the constitution? a. the election of members of congress b. most elections at the local level c. the election of supreme court justices d. most elections at the state level