Science
Science
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Our Protective Atmosphere
Our Protective Atmosphere
The atmosphere is a blanket of air surrounding Earth. Gravity keeps it in place. It protects us and makes life possible.
Atmospheric Composition
Atmospheric Composition
Air is made of 78% Nitrogen, 21% Oxygen, and 1% other gases like Carbon Dioxide and Water Vapor.
Oxygen allows humans and animals to breathe. Nitrogen helps plants grow.
This balance keeps life stable. Too much oxygen could make fires burn more easily.
The Five Layers
The Five Layers
The atmosphere has five layers: Troposphere, Stratosphere, Mesosphere, Thermosphere, and Exosphere.
How it works:
The Troposphere is where weather happens.
The Stratosphere contains the ozone layer that blocks harmful UV rays.
The Mesosphere burns up meteors.
The Thermosphere absorbs high-energy radiation.
The Exosphere is where satellites orbit Earth.
Each layer protects Earth in a special way.
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