The Underground Rivers of Mexico
- 1. Which region of Mexico is known for its extensive underground river systems?
A) Yucatán Peninsula
B) Chiapas
C) Baja California
D) Mexico City
- 2. What is the name of the largest underground river in the Yucatán Peninsula?
A) Sac Actun
B) Rio Secreto
C) Cenote Dos Ojos
D) Cenote Ik Kil
- 3. What natural feature often indicates the presence of an underground river?
A) Mountains
B) Deserts
C) Lakes
D) Cenotes
- 4. What is the term used for the entrance to an underground river?
A) Spring
B) Riverbank
C) Cenote
D) Estuary
- 5. Which ancient civilization used cenotes for rituals and sacrifices?
A) Olmec
B) Zapotec
C) Maya
D) Aztec
- 6. Which popular tourist location features underground rivers and cenotes in the Riviera Maya?
A) Chichen Itza
B) Xcaret
C) Coba
D) Tulum
- 7. What substance primarily contributes to the acidity of rainwater affecting limestone?
A) Methane
B) Sulfur dioxide
C) Carbon dioxide
D) Ozone
- 8. In which state is the Grutas de Tolantongo located, famous for its thermal waters?
A) Guerrero
B) Veracruz
C) Oaxaca
D) Hidalgo
- 9. Which underground river is known for its stunning stalactites and stalagmites?
A) Cenote Samula
B) Cenote Xkeken
C) Cenote Sagrado
D) Rio Secreto
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