1. where is the steepest topography in the quadrangle? there are several possible correct answers. 2. where is the flattest topography in the quadrangle? there are several possible comect answers. 3. which way do streams on the northwest side of new river w, nw, s, se circle correct an mesa, such as grapevine canyon, flow?

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.