How do obligate aerobes and obligate anaerobes differ in their interactions with the atmosphere?

A.
Obligate aerobes cannot survive in the presence of atmospheric oxygen, while obligate anaerobes can.
B.
Obligate aerobes require oxygen from the atmosphere for survival, while obligate anaerobes do not.
C.
Obligate aerobes release carbon dioxide into the atmosphere, while obligate anaerobes release oxygen.
D.
Obligate aerobes take in atmospheric oxygen, while obligate anaerobes take in atmospheric carbon dioxide.