Why is tourism the major industry in the Loess Bluffs region?

Abag contains purple marbles and red marbles, 114 in total. the number of purplemarbles is 6 more than 5 times the number of red marbles. how many purplemarbles are there?

Plz answer ! find the alps. what countries and country borders intersect this major mountain range? which borders seem to be defined by the edges of the mountains? which borders seem to be defined by the edges of the mountains? which borders cut across the mountains?

According to speculation and study, what will happen to the global birth rate in about 40 years? (1 point)