The distribution of molecular velocities of three gases of molar masses $M_1$,$M_2$,and $M_3$ at $T(K)$ are shown below. The correct relation of their molar masses is:
- A$M_2 > M_1 > M_3$
- B$M_3 > M_1 > M_2$
- C$M_1 > M_2 > M_3$
- D$M_1 = M_2 = M_3$
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