Which gas makes the greatest percentage of Earths atmosphere? And what is its characteristics?

Nitrogen and Oxygen

Explanation:

Nitrogen and oxygen are by far the most common; dry air is composed of about 78% nitrogen (N2) and about 21% oxygen (O2). Argon, carbon dioxide (CO2), and many other gases are also present in much lower amounts; each makes up less than 1% of the atmosphere's mixture of gases.

which of the following was specifically permitted by the emancipation proclamation?

free african americans were allowed to fight for the confederacy.

free african americans were allowed to enlist in the union army and navy.

enslaved people in border states were allowed to move to the north.

enslaved people in border states were allowed to become confederate citizens.rgt jr[tolgprtkm ][ptr j[otrmnt'prgp vbl nbgkrm; y l; jebt'

answer: hmm i’ve done that before.. i’ll answer back when i move got it. i know i have the answer.. it’s on the tip of my tongue! don’t worry.. i’ll try to answer asap!

explanation: