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Video: The Atmosphere Video Lecture | Footprints Class 7: Book Solutions, Notes & Worksheets

FAQs on Video: The Atmosphere Video Lecture - Footprints Class 7: Book Solutions, Notes & Worksheets

1. What are the different layers of the Earth's atmosphere?

Ans. The Earth's atmosphere is divided into five main layers: the troposphere, stratosphere, mesosphere, thermosphere, and exosphere.

2. What is the composition of the Earth's atmosphere?

Ans. The Earth's atmosphere is primarily composed of nitrogen (about 78%) and oxygen (about 21%), with trace amounts of other gases such as carbon dioxide, argon, and water vapor.

3. How does the atmosphere affect Earth's climate?

Ans. The atmosphere plays a crucial role in regulating Earth's temperature by trapping heat from the sun (greenhouse effect) and distributing it across the planet through winds and ocean currents.

4. What is the ozone layer and why is it important?

Ans. The ozone layer is a region of the stratosphere that contains high concentrations of ozone molecules. It helps protect life on Earth by absorbing harmful ultraviolet radiation from the sun.

5. How does air pressure change with altitude in the atmosphere?

Ans. Air pressure decreases with increasing altitude in the atmosphere due to the decreasing density of air molecules. This is why it becomes harder to breathe at higher altitudes.

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Oct 05, 2025 Last updated

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Video Description: Video: The Atmosphere for Class 7 2025 is part of Footprints Class 7: Book Solutions, Notes & Worksheets preparation. The notes and questions for Video: The Atmosphere have been prepared according to the Class 7 exam syllabus. Information about Video: The Atmosphere covers all important topics for Class 7 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Video: The Atmosphere.

Introduction of Video: The Atmosphere in English is available as part of our Footprints Class 7: Book Solutions, Notes & Worksheets for Class 7 & Video: The Atmosphere in Hindi for Footprints Class 7: Book Solutions, Notes & Worksheets course. Download more important topics related with notes, lectures and mock test series for Class 7 Exam by signing up for free.

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	Footprints Class 7: Book Solutions, Notes & Worksheets 32 videos\|247 docs\|40 tests

Footprints Class 7: Book Solutions, Notes & Worksheets

32 videos|247 docs|40 tests

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