A student drew a representation of the atoms of a solid. The illustration shows closely packed atoms vibrating, but remaining in the same relative positions.
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​Which of the following changes must the student make to the illustration to accurately represent the same substance in the liquid phase?

A
The illustration should show increase movement of the atoms.
B
Each individual atom should be much larger.
C
There should be very wide spaces between the atoms.
D
The shape of each atom must reflect the shape of the container.