What is the composition of the atmosphere and why is it important for living beings?
Understand the Problem
The question is about understanding the composition of the atmosphere and the significance of different gases present in the air. It highlights how these gases, including nitrogen and oxygen, play a role in the survival of living beings and the functioning of the environment.
Answer
Composition: 78% nitrogen, 21% oxygen, 0.93% argon, 0.03% carbon dioxide; vital for life support and protection.
The atmosphere is composed of 78% nitrogen, 21% oxygen, 0.93% argon, and 0.03% carbon dioxide. It is crucial for life as it provides oxygen for respiration, nitrogen for plants, and a protective layer against harmful solar radiation.
Answer for screen readers
The atmosphere is composed of 78% nitrogen, 21% oxygen, 0.93% argon, and 0.03% carbon dioxide. It is crucial for life as it provides oxygen for respiration, nitrogen for plants, and a protective layer against harmful solar radiation.
More Information
The atmosphere's composition not only provides essential gases for life but also stabilizes Earth's climate and protects organisms from UV radiation.
Tips
A common mistake is to overlook the role of trace gases like argon and carbon dioxide which are crucial for Earth's climate.
Sources
- Atmosphere - National Geographic Society - nationalgeographic.org
- The Atmosphere - noaa.gov
- The Atmosphere: Importance & Composition | Vaia - vaia.com
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