I know that this isn't all of America, but i do know that the average American consumes about 1996.3 pounds of food a year. If you times that by how many Americans there are (sorry I don't know) then you have how much America consumes!
24%of the the worlds food is consumed by Americans. underneath is the website which i found the info http://www.mindfully.org/Sustainability/Americans-Consume-24percent.htm
As much as they can.
porkchop sandwiches
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They consume a lot, especially by farming and hunting for fresh food. Probably about 92%.
Approximately a ton every year
china consumes the most food, they even bring it to America (Chinese) food, they are unhealthy but i think china consumes the most
They eat 2 thousand pounds of food a day
Birds need to consume lots and lots of food so it will have enough energy to fly. If it didn't consume enough food it would be too tired to fly
Animals have to consume food as they cannot make their own food
eagles have adaptations
An elephant can eat between 300 and 600 lbs. of food per day.