History definition for the word inland

Why was russia drawn into a conflict with germany after ausria-hungary declared war on serbia ?

How was george washington able to defeat the british in the battle of trenton and princeton

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