Match the Term with the Appropriate Phrase

Multiple Choice

Match the term with the appropriate phrase. You may use each answer once, more than once or not at all.
-lowermost portion of Earth's atmosphere where most weather occurs

A) troposphere
B) tropopause
C) convection cell
D) stratosphere
E) water vapor
F) ozone (O₃)
G) nitrogen (N₂)
H) oxygen (O₂)