Ice Cores Record Both the Record of Past Temperatures and the Causes

Q41: Discuss the significance of a predicted increase

Q42: In what ways might global warming benefit

Q43: The higher the ratio of oxygen 18

Q44: Plate tectonics "explains" certain climatic changes by

Q45: A biogeophysical feedback mechanism in the Sahel

Q47: The Viking colony in Greenland perished during<br>A)

Q48: Indications of past climates in tree rings

Q49: The Milankovitch Theory proposes that climatic changes

Q50: The quasi-biennial oscillation is a pattern of<br>A)

Q51: General circulation models<br>A) simulate global climate.<br>B) predict