How should Kate complete her unfinished model?

a
Kate should draw particles far apart and moving freely to show thermal energy being added to a liquid.
b
Kate should draw particles far apart in a fixed position to show thermal energy being removed from a liquid.
c
Kate should draw particles close together in a fixed position to show thermal energy being added to a liquid.
d
Kate should draw particles close together and moving freely to show thermal energy being removed from a liquid.

a

Kate should draw particles far apart and moving freely to show thermal energy being added to a liquid.