1999The range of population growth in the less developed regions during the period illustrated is approximatelySee more
1999Which of the following is a major environmental problem in heavily industrialized regions?See more
1999The circulations of the oceans and the atmosphere, primarily help to redistribute and equalize globalSee more
1999A traveler crossing the International Date Line from America to Asia at 12 midnight on Sunday would have to change his watch to 12 midnight onSee more