Nitrogen makes up 70-80% of the atmosphere. If nitrogen weren't here, we wouldn't be able to breathe in oxygen because of the density of the air and because the air would then be toxic and flammable because there would be too much oxygen in the air. So with nitrogen, we are able to breathe safely. It makes it so we can breathe and keeps the atmosphere at a normal density.
Hope this helps.
I provided the work and answers below, <em>sorry about the red font.</em>
-----------
hopefully my answer helps! ♡
if my answers helped you please tell me, therefore I know.. that I did them correctly or incorrectly. anyways, have a great day/night!
Answer:
Mass is the amount of matter in an object.
Weight is how much an object weighs.
Hope this helps!
Answer:
Chlorine is more electronegative than iodine. The electronegativity of chlorine is 3.16. The electronegativity of iodine is 2.66.
