Answer:
En química, un sistema homogéneo es aquel sistema material que presenta las mismas Una sustancia pura es un sistema homogéneo a partir del cual no es posible obtener otras para aislar a un sistema del medio y siempre habrá intercambio o de materia o de energía; el más perfecto es el frasco de Dewar.
Explanation:
The answer is chief executive. This applies to the President
of the United States who also goes by this title in government being that he is
the elected leader of the government’s executive branch. In military matters, he is the
commander-in-chief.
<em>"Historically, it has been proven that the wright brothers spent all their money on building and testing their airplane. Although it was a genius idea, their attempt wasn't very successful. The Wright Brothers then lost all their wealth, and could not afford to buy paint..."</em>
Quoted from "Hogwash History"
