{"ok":true,"q":"Atmospheric Layers","n":67,"results":[{"id":"class_11\/geography\/chapter_08_composition_and_structure_of_atmosphere","title":"Chapter 8 — Composition And Structure Of Atmosphere","class_num":11,"subject":"geography","subject_label":"Geography","summary":"Introduction: This chapter examines the composition and vertical structure of Earth's atmosphere — the gaseous envelope that surrounds the planet. It explains the permanent and var","topic":"","anchor":""},{"id":"class_07\/social_science_geography\/chapter_04_air","title":"Chapter 4 — Air","class_num":7,"subject":"social_science_geography","subject_label":"Social Science · Geography","summary":"Introduction: Air is the invisible mixture of gases that surrounds the Earth and forms the atmosphere. It is essential for all living beings — plants, animals and humans — and play","topic":"","anchor":""},{"id":"class_08\/science\/chapter_17_stars_and_the_solar_system","title":"Chapter 17 — Stars And The Solar System","class_num":8,"subject":"science","subject_label":"Science","summary":"This chapter introduces basic astronomy and our neighbourhood in space: the stars and the Solar System. It explains what stars are, how they differ in brightness and position (cons","topic":"","anchor":"sec-practice"},{"id":"class_12\/physics\/chapter_07_communication_systems","title":"Chapter 7 — Communication Systems","class_num":12,"subject":"physics","subject_label":"Physics","summary":"This chapter introduces Communication Systems as the physical and logical frameworks that transfer information (signals) from a source to a receiver. It explains why direct transmi","topic":"Propagation of Electromagnetic Waves","anchor":"topic-15"},{"id":"class_11\/geography\/chapter_09_solar_radiation_heat_balance_and_temperature","title":"Chapter 9 — Solar Radiation Heat Balance And Temperature","class_num":11,"subject":"geography","subject_label":"Geography","summary":"Introduction: This chapter examines how incoming solar radiation controls Earth's heat budget and the distribution of temperature. It explains the Sun–Earth geometry that determine","topic":"Temperature inversion","anchor":"topic-18"},{"id":"class_06\/social_science_geography\/chapter_05_major_domains_of_the_earth","title":"Chapter 5 — Major Domains Of The Earth","class_num":6,"subject":"social_science_geography","subject_label":"Social Science · Geography","summary":"Introduction: This chapter introduces the Earth’s major domains — the lithosphere (land), hydrosphere (water), atmosphere (air) and the biosphere (the zone of life). It describes h","topic":"","anchor":""},{"id":"class_11\/chemistry\/chapter_06_environmental_chemistry","title":"Chapter 6 — Environmental Chemistry","class_num":11,"subject":"chemistry","subject_label":"Chemistry","summary":"This chapter introduces Environmental Chemistry as the study of chemical processes occurring in air, water and soil and the impact of human activities on these natural processes. I","topic":"","anchor":""},{"id":"class_09\/science\/chapter_14_natural_resources","title":"Chapter 14 — Natural Resources","class_num":9,"subject":"science","subject_label":"Science","summary":"This chapter introduces Natural Resources — the air, water, soil, minerals, forests and wildlife that sustain life on Earth. It explains why these resources are important, how they","topic":"","anchor":""},{"id":"class_07\/social_science_geography\/chapter_01_environment","title":"Chapter 1 — Environment","class_num":7,"subject":"social_science_geography","subject_label":"Social Science · Geography","summary":"Introduction: This chapter introduces the concept of 'environment' — the surroundings in which plants, animals and humans live and interact. It explains that the environment consis","topic":"","anchor":""}]}