Why were foreigners allowed to hold office for the mongols

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.

Ineed ! i have no clue how to do this problem.

One similarity and one difference between an element and a mixture of elements