Question
Ice melts slowly at higher altitudes. Explain why?
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| B | Al | Ga | In | TI |
| 801 | 577 | 579 | 558 | 589 |
$\text{NO}^+_2,\text{BCl}_3,\text{CO}_2,\text{BeCl}_2$
$\text{CH}_3-\text{CH}_3,\text{CH}=\text{CH}_2,\text{HC}\equiv\text{CH}$