Explain why data from at least three seismic stations makes it possible to locate an earthquake’s epicenter.

Can someone me? i need to have this done as soon as possible! i'm putting 20 points on this!

What is the thickest layer of earth called?

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.