The plague killed over 50 million people in 15 years - but all in the Old World. Why were the Americas safe from the plague

What is the word you received when you comepleted the reality of versailles activity

Which battle was one of the most devastating for

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