Pollution - Types and Sources — Chapter Summary
ICSE · Class 9 · Geography
Summary of Pollution - Types and Sources for ICSE Class 9 Geography. Part of the ICSE Class 9 Geography syllabus.
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Overview
Pollution is any activity that violates the original character of nature and leads to its degradation. It happens when resources are managed improperly or when human activity is careless. A pollutant is a substance that causes pollution, such as Carbon Dioxide or Carbon Monoxide. Pollutants may be b
Key Concepts
Pollution is the presence in
Pollution is the presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects. It is caused by impro
A pollutant is a substance
A pollutant is a substance that causes pollution. Examples include Carbon Dioxide and Carbon Monoxide. Pollutants can be biodegradable or non-biodegra
Air pollution occurs when large amounts
Air pollution occurs when large amounts of gases and tiny particles are released into the air and disturb ecological balance. Air normally contains 78
Primary air pollutants are directly released
Primary air pollutants are directly released into the air. Examples include SPM, smoke, dust, ash, sulphur oxide, nitrogen oxide, and radioactive comp
Water pollution affects rivers
Water pollution affects rivers, lakes, seas, and groundwater. Earth has 71% water and 29% land, yet water contamination is increasing and harming huma
Learning Objectives
- Understand the meaning of pollution and pollutant
- Identify the main types of environmental pollution
- Classify the sources of air, water, soil, radiation, and noise pollution
- Recognize the effects of pollution on humans, animals, and the environment
- Differentiate between primary and secondary air pollutants
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Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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