71. Which is the smallest country in South America?
72. Which is the world's largest coral reef system?
Great Barrier Reef
Belize Barrier Reef
Mesoamerican Barrier Reef
73. Which is the wettest place on earth?
López de Micay
74. Recognize the region.
Bay of Bengal
South China Sea
East China Sea
75. Which is the world's longest water supply tunnel?
Dahuofang Water Tunnel
Bolmen Water Tunnel
Päijänne Water Tunnel
76. The sudden copious rainfall is called:
77. Lava's temperature ranges from:
900 to 2400 °C
700 to 1200 °C
400 to 1800 °C
600 to 3600 °C
78. The large flat submarine region higher than ambient seabed is called:
79. Ilha da Queimada Grande is known as:
80. Andaman and nicobar islands are part of: