Respuesta :
D. When an energy transformation happens, no energy is destroyed or created.
This is the correct answer because the law of conservation of energy is energy cannot be created nor destroyed
This is the correct answer because the law of conservation of energy is energy cannot be created nor destroyed
Answer: D
Explanation: not A because energy can also change from chemical to mechanical or nuclear to mechanical. Not B because there are many types of energy eg, mechanical, nuclear, chemical... Not C because The total energy of a system is constant(conservation of energy).