Q: Laser scans have revealed more than 60,000 previously unknown Maya structures that were part of a vast network of cities, fortifications, farms, and highways hidden for centuries under the jungles of northern Guatemala. Where is the Central American nation of Guatemala?

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Second question (of five)

Q: Researchers used  high-tech, airplane-based LiDAR (short for “Light Detection And Ranging”) to scan areas in the Maya Biosphere Reserve on Guatemala’s northern border with . . .

A. Belize

B. El Salvador

C. Honduras

D. Mexico