Ответ: 3)

2. Cheetahs are faster than elephants.

3. The Amazon is longer than the Danube.

4. The Arctic is colder than Iceland.

5. Sharks are more dangerous than the dolphins.

6. Hawaii is warmer than Alaska

Объяснение: 4)

2. The cheetah is the fastest animal in the world

3. The Mona Lisa is the most famous painting in the world.

4. The University of Al-Karaouine in Morocco the oldest university in the world

5. The Himalays are the highest mountains in the world

6. The Australian box jellyfish is the most poisonous creature in the world