Oceans are often termed the “planet’s lungs” as they produce over half of the world’s oxygen. Marine plants, like algae, play a critical role in this oxygen production.
Class 6 NCERT Social Science India and the World: Land and the People Chapter 2 Oceans and Continents
class 6 Social Science Textbook Chapter 2 question answer
Known as the “planet’s lungs,” oceans are responsible for generating over half of the world’s oxygen, primarily through marine flora like algae and phytoplankton. This oxygen production is vital for sustaining life on Earth. Oceans also absorb carbon dioxide, helping regulate atmospheric composition and climate, which underscores the importance of protecting marine environments.
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