Explain how all of the water in a tea kettle can be the same temperature even if the kettle is heated only from the bottom.

If a volcano’s magma is high in silica, the volcano will probably a. erupt quietly. b. remain dormant. c. erupt explosively. d. produce dark-colored lava.

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.

Ron is moving to oceania because his mining company recently opened a new operation there. to which of the following islands is ron most likely going? a. papua new guinea b. bikini atoll c. tahiti d. palmyra atoll