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Los científicos han probado que los humanos son los culpables
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February 20, 2012, 07:18 AM
Rusty
Señor Speedy
Join Date: Aug 2007
Location: USA
Posts: 11,328
Native Language: American English
The past participles 'proved' and 'proven' are both acceptable in American English. Which one you choose to make your own may be largely based on what others around you say.
Rusty
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