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Most likely the second answer choice, excitement. It shows her heart beating faster, a sign of it, and it shows her laughing and smiling, which is positive. However, all of the other choices are negative, meaning that it is Excitement.
Answer:
Energy transformation 21
Potential energy 22
Kinetic energy 20
Friction 17
Energy 19
Elastic potential energy 18
Gravitational potential energy 23
Explanation:
not quite sure, but I did my best
