Why is it easier to switch to solar and wind energy as compared to other alternative energy sources? Select all that apply. A. They are more cost-effective.
B. They require large, easily obtainable parcels of land.
C. They can be produced easily in areas with geothermal activity.
D. The land can be used for other purposes while supplying energy.

C. They can be produced easily in areas with geothermal activity.

D. The land can be used for other purposes while supplying energy.

Explanation:

Both c and d are correct

in cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. a contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

explanation: