Your friend Bill says that all food on Earth ultimately comes from photosynthesis.Your friend Tom disagrees,saying that,"Cows and pigs don't photosynthesize,and they are food." Who do you think is correct,and why?

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The Answer of Your friend Bill says that all food on Earth ultimately comes from photosynthesis.Your friend Tom disagrees,saying that,"Cows and pigs don't photosynthesize,and they are food." Who do you think is correct,and why?

Your Friend Bill Says That All Food on Earth Ultimately