F FAYNUS New member May 5, 2010 #1 In the distant past, large amounts of carbon were removed from the global climate cycle during great die-offs of organisms in sediments that were lacking______. A)Calcium B)Nitrogen C)Oxygen D)Carbon E)None of the above
In the distant past, large amounts of carbon were removed from the global climate cycle during great die-offs of organisms in sediments that were lacking______. A)Calcium B)Nitrogen C)Oxygen D)Carbon E)None of the above