The Appalachian Mountains are famous for their structure. faulted volcanic ridge and valley rift valley graben

Evaporite rocks te more permeable than reef rocks true false

The physical processes that create most of earth's physical features, including mountains, are known as

Extensive and unusual cold snaps have occurred here recently. is this evidence that global warming is lessening or not occurring? no—although the long-term trend is for warming, short-term weather patterns can still be variable. no—melting of glaciers and ice caps is making the oceans cooler, which can cause cold snaps. yes-- if global warming really were occurring, cold snaps wouldn’t happen. yes—due to global warming, weather patterns should be become less—not more—variable.