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The chapter discusses the composition and importance of air in supporting life and environmental balance. It explores air pollution, its causes and effects, and the role of greenhouse gases in climate change. Additionally, measures for conservation and pollution control are outlined to promote a cleaner atmosphere.
Chapter 69 sections
The chapter discusses the composition and importance of air in supporting life and environmental balance. It explores air pollution, its causes and effects, and the role of greenhouse gases in climate change. Additionally, measures for conservation and pollution control are outlined to promote a cleaner atmosphere.
Air is a mixture of gases essential for life and environmental stability.
Air pollution significantly impacts health, agriculture, and climate.
Conservation measures are crucial in mitigating air pollution and its effects.
Air comprises nitrogen (78%), oxygen (21%), argon (0.93%), carbon dioxide (0.03%), and trace amounts of other gases, along with varying water vapour and dust.
The introduction of harmful substances into the atmosphere, which can cause serious health and environmental issues.
The warming of the Earth due to greenhouse gases trapping heat in the atmosphere, which is necessary in moderation but harmful in excess.
A protective layer in the stratosphere that absorbs harmful ultraviolet radiation from the sun.
Total Questions
2
Estimated Time
4 min
Passing Score
70%
1 more question available