The Amazon rainforest produces 20% of the world’s oxygen.
✓ TRUE FACT
The Amazon produces a huge amount of oxygen through photosynthesis, but much of that oxygen is consumed by respiration and decomposition in the same ecosystem. So its net contribution to atmospheric oxygen is far smaller than the “20%” soundbite suggests—even though it’s still ecologically vital.
🤯 "The Amazon rainforest produces 20% of the world’s oxygen. A number scientists debate, but the forest still deserves a thank-you note."