Author Question: The high levels of atmospheric nitrogen are due primarily to the fact that: A) the earth is ... (Read 73 times)

schs14 · **on:** Jul 14, 2018

The high levels of atmospheric nitrogen are due primarily to the fact that:

A) the earth is constantly bombarded by small, house-sized comets.
B) nitrogen has a very long residence time.
C) nitrogen is the major component of the gas emitted from volcanoes.
D) nitrogen is produced by many species of bacteria.

Question 2

This is the least likely reason for the removal of carbon dioxide from the atmosphere:

A) leakage into space from the upper atmosphere.
B) incorporation into solid material.
C) dissolution into oceans, lakes, and rivers.
D) dissolution into raindrops.