QUESTIONS FOR DISCUSSION
What would be the probable effect on the food-crops of the United States were the main body of the country moved twenty degrees north in latitude? Which would then be the wheat-growing States, the cotton-producing States?
Illustrate the connection between occupation and altitude above sea-level.
What difference would it make to the corn-crop were the days and nights always twelve hours long?
What would be requisite to make Canada a centre of silk production?
Why is not cod-fishing an industry off the east coast of Florida?
Why is the greater part of the Russian Empire destined to be sparsely peopled?
FOR COLLATERAL REFERENCE
A rain chart of the world.