World Climate Factors Crossword Puzzle

QUESTIONS LIST: permafrost : ground that is permanently frozen, deciduous : trees and shrubs that shed their leaves at the end of the growing season, chaparral : a scrub land biome of dense, spiny evergreen shrubs found at midlatitudes along coasts where cold ocean currents circulate offshore; characterized by mild, rainy winters and long, hot, dry summers, smog : haze caused by the interaction of ultraviolet solar radiation with chemical fumes from automobile exhausts and other pollution sources, natural vegetation : plant life that grows in a certain area if people have not changed the natural environment, oasis : a fertile place in a desert where there is water and vegetation, mixed forest : a type of vegetation or vegetation zone that includes both coniferous and deciduous trees, hypothesis : an educated guess, timberline : elevation above which is too cold for trees to grow, prairie : an area of flat or rolling land covered mostly by grasses, taiga : biome in which the winters are cold but summers are mild enough to allow the ground to thaw