What were the engineering strengths of the romans?

Which german count invented the zeppelin

Virginia has 11 people in the house and 2 in the senate. how many electoral votes foes it have? where is this addressed?

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