The countries of the Tropical North exhibit great extremes of climate. Explain why some parts of the region are very cold and others are very hot.

Where does the availability of water pose the greatest problem

Which australian state leads the nation in the production of dairy products? a. western australia b. northern territory c. queensland d. victoria

Why do so many children develop illnesses in southern africa? a. poor nutrition due to poverty c. very bad air pollution b. climate many diseases thrive d. declining life expectancy