Because of the first law of thermodynamics energy can never be created or destroyed. It can only be converted to another form. For example the energy that is lost from the food that we eat is not destroyed it is released from our bodies as heat into the atmosphere. We can not reuse it but it is not destroyed.
Under most practical circumstances, energy can't be created or destroyed.
Energy is never created nor destroyed.
Energy is never lost or destroyed.
the conservation of energy
Energy can never be created or destroyed. It can only be moved or changed in form. "Energy," once created can never be destroyed, only relocated or transformed.
The law of conservation of energy
energy is never created, nor destroyed.
it can never be destroyed or created by Lillian and Nyla ray
all energy was formed in the start of the universe it can never be created and never be destroyed just used
Energy can never be destroyed. It changes from one form to another, and eventually winds up as heat.
Energy is defined as the ability to do work. It can be converted but it can never be destroyed.
Energy can only be transformed, never created nor destroyed.