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Which of the following statements is FALSE
regarding energy transformation?
A hydro-electric dam uses gravitational potential
energy of water stored behind the dam to convert it
into electrical energy.
A tennis ball that if falling down and about to hit the
ground has a high amount of gravitational potential
energy.
A wind turbine can convert wind energy into electrical
energy.
A boulder that is on top of a cliff has a high amount of
gravitational potential energy.