a : arteries
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Carbon dioxide is a waste product carried by the back to the heart.
a : arteries
b : veins
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The united states produces an average of 429 billion pounds of food annually. about 133 billion pounds of that food ends up as waste. the percentage of food that the united states wastes each year is %.
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Is there any solid scientific evidence that humans have been cloned?
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Carbon dioxide is a waste product carried by the back to the heart.
a : arteries
a : arteries
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