Read aloud passages 01

Read Aloud Passages: 01 

Air


Air is one of the most important things for life on Earth. It is a mixture of gases that surrounds our planet. The air contains oxygen, which humans and animals need for breathing, and carbon dioxide, which plants to use to make food. Air also contains nitrogen and small amounts of other gases. Although we cannot usually see air,  we can feel it when the wind blows.

Clean air is very important, for good health.  Fresh air helps people breath easily, and keep the environment healthy. However, air pollution caused by factories, cars, and smoke can harm humans, animals, and plants. Polluted air may cause breathing problems and damage nature. 

Air has many other uses in daily life. It helps bird and airplanes fly, and spreads seeds. In modern life, people should work together to protect environment for the future generations.


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