Give the name of forest which is called lungs of the planet

Explanation

**Step-by-Step Solution:**

1. **Identify the Forest:** The question asks for the name of the forest referred to as the "lungs of the planet."

2. **Recognize the Amazon Rainforest:** The forest that is commonly known as the "lungs of the planet" is the Amazon Rainforest.

3. **Understand the Role of the Amazon Rainforest:**
- The Amazon Rainforest produces approximately 20% of the world's oxygen.
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