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