Question about law of thermodynamics

Assume you are vegetarian, and you wish to make the case to your non-vegetarian but environmentally conscious friend that eating vegetarian is more environmentally friendly. Using what you know about the second law of thermodynamics, how energy is transferred in food chains, and ecology, make a logical argument to convince your friend that eating a plant based diet is an environmentally good choice. You should incorporate the following in your answer: energy transfer, producer, consumer, trophic level, resources, waste, environmental impact.

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