Ocean waves contain energy that is transferred to them by moving across the surface.
a. wind
b. sunlight select the best answer from the choices provided a b

Match the letters with the correct terms

Sink holes may eventually for to join a. wide valleys b. zone of aeration c. dripstones d. aquifer

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.