Which of the following issues is not a serious environmental concern in south america? a. soil exhaustion c. overgrazing b. lack of suitable drinking water d. rain forest preservation

Find the equation of the line passing through the point (–1, 5) and perpendicular to the line 3x + y = 4.

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.

What man-made lake was created by the building of the hoover dam?