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Group # ______. 397. 396. 395. 394. 393. 392. 391. 390. 389. 388. 387. 386. CO 2 Concentration (ppm). 385. 384. 383. 382. 381. 380. 379. 378. 377. July. July. July. July. July. July. July. 2007. 2008. 2009. 2010. 2011. 2012. 2013. 2006.
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Group # ______ 397 396 395 394 393 392 391 390 389 388 387 386 CO2 Concentration (ppm) 385 384 383 382 381 380 379 378 377 July July July July July July July 2007 2008 2009 2010 2011 2012 2013 2006