Q1
What causes air pollution?
AVehicle emissions and burning fossil fuels
BOnly natural causes
COnly rain
DOnly wind
ICSEClass 10 (ICSE)BiologyCh 16 · Topic 2
Practice and Revision - Pollution
Let us practise and revise what we learned about pollution. Pollution, from various sources, causes environmental damage, and understanding
Core concept
Air pollution results from vehicle emissions, industrial processes, and burning fossil fuels, causing respiratory diseases and contributing to global warming.
How it works
Water pollution comes from industrial waste, sewage, and agricultural runoff, harming aquatic life and reducing water quality for human use.
Why it matters
Soil pollution results from pesticides, industrial waste, and improper waste disposal, reducing soil fertility and contaminating food chains.
Key detail
Pollution control measures include using cleaner technologies, proper waste management, recycling, and enforcing environmental regulations.
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Quick notes
• Air pollution: vehicle emissions, industry, fossil fuels.
• It causes respiratory disease, global warming.
• Water pollution: industrial waste, sewage, runoff.
• It harms aquatic life, water quality.
• Soil pollution: pesticides, waste, improper disposal.
• It reduces fertility, contaminates food chains.
• Control: cleaner tech, waste management, recycling.
• Regulations also help control pollution.