Choose the true statement about water supply and demand: a. One factor in the increased demand for water is the increased waste of water.
b. The amount of available clean water is increasing.
c. Only about 10% of the world’s population lives in areas where water is scarce.
d. Agriculture uses approximately half of all available freshwater on Earth.

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.