When a brown bear eats a salmon it does not acquire all the energy contained in the body of the fish. This is because the bear's body is not efficient enough to obtain all of â¦ the energy from what eat eats. When the cells covert the protein of the fish into energy, it looses most of the useful energy in the process (the second law of thermodynamics proves this).
Get help from a doctor now âº. Vyvanse: Vyvanse stays in your system for 8-12 hours. there are people sensitive to stimulats that make their sleep at night difficulty, even after the effects of vyvanse goes away ...Read more.
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