How many seismographs are needed to find the epicenter of an earthquake.

On nights when we see the new moon phase, what side of the moon are we seeing?

How do you think the different landforms of northern and southern europe would affect ways of life in those two areas

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.