manure

[concorde]

what does the united states of America produce 13 million tons of ?

[brachiopod]

http://www.theanswerbank.co.uk/Science/Question202371.html

[Sammy Snake]

Stupid questions? Seriously, this question is getting rediculous now - did you not look at the part where it asks you to check if your question has been asked before? Obviously not otherwise you would have seen the other 12,999,999 questions the same.