please help?

1.Experts believe that by the year 2000, Mexico City will have a population of: 1 billion. 10 million. 30 million. 900,000 2.Europeans first arrived in present-day Latin America in the late 1400s. early 1400s. early 1600s. late 1600s. 3.The eastern coast between the mouth of the Amazon River and Caracas is experiencing a population explosion. sparsely populated. not populated at all. the most heavily populated area of the region. 4.The most populated Spanish-speaking nation in the world is Costa Rica. Cuba. Honduras. Mexico. 5.Due to an "urban explosion" the standard of living in many Latin American cities is improving. better than in any other world region. declining. remaining the same as always.

Public Comments

1. 1-B 2-A 3-A 4-D 5-A (I'm not sure, either A or D)