¿Qué necesitan los seres vivos?: aire

The video explores the concept of air, its invisibility, and its essential role in life. It discusses the composition of air, highlighting gases like oxygen and carbon dioxide. The importance of oxygen for survival is explained, covering how humans and animals obtain it. The video also describes how aquatic life gets oxygen from water. Finally, it emphasizes the role of carbon dioxide in plant life and food production, underscoring air's significance for all living beings.

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