Atmospheric nitrogen A) is highly reactive. B) owes its ...

[newyorker26]

Atmospheric nitrogen
 A) is highly reactive.
  B) owes its existence to the actions of micro-organisms.
  C) stays in the atmosphere for a long time.
  D) was mostly captured from outer space by the Earth's gravitational field.
  E) has a molecular weight that is higher than that of oxygen.

Question 2

The third-most abundant gas in Earth's atmosphere (not including water vapor) is
 A) oxygen.
  B) argon.
  C) nitrogen.
  D) carbon dioxide.
  E) helium.

[pallen55]

Answer to Question 1

C

Answer to Question 2

B

[newyorker26]

Thanks for the timely response, appreciate it

[parshano]

Excellent