Effects of Pollution — Chapter Summary
ICSE · Class 9 · Geography
Summary of Effects of Pollution for ICSE Class 9 Geography. Key concepts: Environmental pollution is, The atmosphere is made up and Nitrogen cycle.
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Overview
Environmental pollution affects air, water, soil, human health, animals, marine life, and the balance of nature. Polluted air can cause serious illness, polluted water can kill aquatic life and spread disease, polluted soil reduces land fertility, noise disturbs daily life, and radiation can cause l
Key Concepts
Environmental pollution is the damage caused
Environmental pollution is the damage caused to air, water, soil, and surroundings by gases, smoke, chemicals, solid waste, fertilisers, pesticides, a
The atmosphere is made up
The atmosphere is made up of nitrogen, oxygen, argon, carbon dioxide, helium, methane, krypton, ammonia, and carbon monoxide. Harmful gases and smoke
Nitrogen cycle
Nitrogen cycle, carbon cycle, and oxygen cycle are important natural cycles. Human activities disturb these cycles, especially by adding excess fertil
Depletion of vegetation and increased carbon
Depletion of vegetation and increased carbon dioxide raise the temperature of the Earth’s atmosphere. Burning fossil fuels releases nearly 5 billion t
Air pollution can cause asthma
Air pollution can cause asthma, respiratory inflammation, cancer risk, damage to the immune, endocrine, and reproductive systems, and more heart probl
Learning Objectives
- Understand the meaning and major effects of environmental pollution.
- Explain how air pollution affects climate and human health.
- Describe the effects of water pollution, including diseases and biomagnification.
- Identify the harmful effects of soil pollution and chemical pollutants.
- Recognize the effects of noise pollution and radiation on human beings.
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Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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