The temperature of a sample of liquid water changes from 50°C to 30°C. Which statement best explains the change that nust happen at the molecular level? O The molecules move more quickly and their average

The temperature of a sample of liquid water changes from 50°C to 30°C. Which statement best explains the change that

nust happen at the molecular level?
O The molecules move more quickly and their average kinetic energy increases.
O The molecules move more slowly and their average kinetic energy decreases.
O The molecules move more quickly and their average kinetic energy decreases.
O The molecules move more slowly and their average kinetic energy increases.

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