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A group of physics students measures the absolute pressure of a contained gas at a variety of temperatures. The students did not use traditional thermometers. Instead they used thermometers with divisions called “Marks” instead. The data are plotted on the graph.

According to these data, which of the following temperatures represents the point at which all molecular motion ceases, or absolute zero?

A

$0\text{ Marks}$

B

$-25\text{ Marks}$

C

$105.5\text{ Marks}$

D

$-340\text{ Marks}$

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