Скачать или смотреть PSTET Social Science 2026 | Composition of Atmosphere | FREE Live Class (Paper-2) | LIVE @ 12:15 PM

PSTET Social Science 2026 | Composition of Atmosphere | FREE Live Class (Paper-2) | LIVE @ 12:15 PM
🎯 FREE SOCIAL SCIENCE CLASS – TOPIC: COMPOSITION OF ATMOSPHERE (PAPER 2)
📊 Marks Weightage • Topic-Wise Explanation
🔴 LIVE PREMIERE at 12:15 PM
Punjab aspirants, join the important Social Science class of our revolutionary FREE PSTET course on YouTube.
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📘 Today’s Social Science Topic: COMPOSITION OF ATMOSPHERE
✔ Meaning of Atmosphere
✔ Importance of Atmosphere for life on Earth
✔ Composition of Atmosphere (Gases present in the air)
✔ Major gases – Nitrogen, Oxygen, Carbon dioxide
✔ Other gases – Argon, Neon, Helium and Hydrogen
✔ Role of Oxygen in supporting life
✔ Importance of Carbon dioxide in photosynthesis
✔ Water vapour and dust particles in the atmosphere
✔ Structure of the atmosphere (Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere)
✔ Importance of ozone layer
✔ Role of atmosphere in weather and climate
✔ Important MCQs for PSTET
✔ Previous year question discussion
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🔥 What You Will Get in This FREE Course
✅ 100% Social Science syllabus coverage till exam
✅ Topic-wise + marks-weightage based preparation
✅ Concept clarity with easy examples
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🗓 Course Valid Till: 15 March 2026 (Exam Day)
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🕛 12:15 PM – Social Science
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