Answer:
Aurora, luminous phenomenon of Earth's upper atmosphere that occurs primarily in high latitudes of both hemispheres; auroras in the Northern Hemisphere are called aurora borealis, aurora polaris, or northern lights, and in the Southern Hemisphere aurora australis, or southern lights.
Explanation:
By issuing the Declaration of Independence<span>, adopted by the Continental Congress on July 4, 1776, the 13 American colonies severed their political connections to Great Britain. The </span>Declaration<span> summarized the colonists' motivations for seeking</span>independence<span>.</span>
They contain fluorine atoms, carbon atoms and chlorine atoms.