What traditional methods did samuel johnson use for compiling dictionaries.

Which explorer travel the farthest south in his journey

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

During the age of imperialism, suez canal connected which two bodies of water?