Thuy was learning about mid-ocean ridges and how they spread, creating more land. She wondered why Earth doesn't keep growing bigger and bigger Choose...
A. mid ocean ridges
B. Subduction areas
C. trenches
D. mantles
because of the new land. She learned that the reason Earth isn't expanding is because of the many
that occur at
ocean Choose...
A. mid ocean ridges
B. Subduction areas
C. trenches
D. mantles

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.