The Amazon: The Lungs of the Earth

The Amazon, known as the lungs of the Earth, produces 20% of the world's oxygen. Despite covering only 2% of the Earth's surface, it is a vast and diverse ecosystem. The Amazon spans 40% of South America, with 60% in Brazil, and is the largest tropical rainforest. It plays a crucial role in the water cycle, releasing more water vapor than the Amazon River discharges into the Atlantic. The rainforest is home to a wide array of wildlife, including dangerous creatures like poison dart frogs and black caimans. It hosts 10% of known species and numerous indigenous tribes, some uncontacted, highlighting its rich biodiversity and cultural significance.

What nickname has the Amazon rainforest earned due to its ecological contributions?

• The Heart of the Earth

• The Lungs of the Earth

• The Soul of the Earth

• The Brain of the Earth

What percentage of the Earth's oxygen is produced by the Amazon rainforest?

• 10%

• 20%

• 30%

• 40%

Which river is considered the second longest in the world, flowing through the Amazon?

• Nile River

• Amazon River

• Mississippi River

• Yangtze River

Which of the following creatures is known to be the most toxic in the Amazon?

• Anaconda

• Piranha

• Golden Dart Frog

• Black Caiman

Approximately how many indigenous tribes in the Amazon have never had contact with the outside world?

• 100

• 25

• 50

• 10