21. Which national park is known for its deep canyons, ancient bristlecone pine trees, and starry skies?
a) Grand Canyon National Park, USA
b) Redwood National and State Parks, USA
c) Canyonlands National Park, USA
d) Great Smoky Mountains National Park, USA
22. Which World Heritage site is known for its unique combination of cultural and natural landscapes?
a) Angkor Wat, Cambodia
b) Yosemite National Park, USA
c) Serengeti National Park, Tanzania
d) Torres del Paine National Park, Chile
23. Which national park is home to the endangered snow leopard?
a) Banff National Park, Canada
b) Everglades National Park, USA
c) Sagarmatha National Park, Nepal
d) Yosemite National Park, USA
24. Which wildlife sanctuary is home to the largest population of African elephants in the world?
a) Addo Elephant National Park, South Africa
b) Okavango Delta, Botswana
c) Serengeti National Park, Tanzania
d) Galapagos Islands, Ecuador
25. Which national park is known for its extensive cave systems, including the Son Doong Cave, the world’s largest cave?
a) Plitvice Lakes National Park, Croatia
b) Gunung Mulu National Park, Malaysia
c) Jiuzhaigou Valley National Park, China
d) Iguazu Falls National Park, Argentina/Brazil
