E. The presence of coldsurface waters in the North Atlantic
21.4. It can be inferred from the passage that in sedimentcores from the North Atlantics deep waters, the portions that correspond tothe Little Ice Age
A.. differ very little in composition from theportions that correspond to the Medieval Warm Period
B. fluctuate significantly in composition between the portions corresponding tothe 1300s and the portions corresponding to the 1700s
C. would be likely tocontain a proportion of red-stained grains closer to 17 percent than to 5percent
D. show a much higher proportion of red-stained grains in cores extracted fromthe far north of the North Atlantic than in cores extracted from further south
E. were formed in part as
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