[单选题]
Oxygen molecules are 16 times more massive than hydrogen molecule ovd7(tljw1eb8r. (57zdcu/c1 omm kf2r*n pi, hm+vdo)*ieks. At a given tone+v)kh2 iri dmp*, *emperature, the average molecular kinetic energy of oxygen, compared to hydrogen
A. is greater.
B. is less.
C. is the same.
D. cannot be determined since pressure and volume are not given