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Environmental Problems and Management
Khyber Pakhtunkhwa Board > Class 9 > General Science (
Total Videos: 268
)
All Chapters
Chapter 1: Introduction and Role of Science
Chapter 2: Chemistry and Life
Chapter 3: Health Diseases And Prevention
Chapter 4: Population and Environment
Chapter 5: Energy Sources
Chapter 6: Electricity in Everyday Life
Chapter 7: Chemical Reactions and Their Practical Applications
Chapter 8: Biotechnology
Chapter 9: Water Resources
Chapter 10: Environmental Problems and Management
Chapter 11: Science, Technology and Development
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Select a chapter above and press 'Show Content'. Click a video topic below to view.
Chapter 10: Environmental Problems and Management (
30 videos
)
  (
Practice Test
)
10.1: Regional and Global Environmental Problems  (
Practice Test
)
How People Change Habitat?
Depletion of Ozone
Effect of Ozone Depletion
Global Warming
Green House Effect
Acid Rain
Effect of Acid Rain
Desertification
Effect of Global Warming
Water pollutents,Oxygen-Demanding Or Industrial Effluents
Water Pollutants - Synthetic Organic Compounds
10.2: Natural Disasters  (
Practice Test
)
Natural Disasters
More on Natural Disasters
El Niño and La Niña
10.3: Control Strategies for Treating Air and Water Pollutants  (
Practice Test
)
Air Pollution
Types of Pollutants,Oxides
Pollutants of Sulphur Compound
Pollutants of Nitro Compound
Smog as Pollutant
Carbon Monoxide as Pollutant
Role of Chlorofluorocarbons in Destroying Ozone
Water Pollution
Water pollutents,Oxygen-Demanding Or Industrial Effluents
Agricultural Water Pollutants
Water Pollutants - Synthetic Organic Compounds
Nutrient and Thermal Water Pollution
Effects of Water Pollution
How to Control Pollution?
Control of Pollution
10.4: Protection at Individual Level  (
Practice Test
)
Harmful Effects of Excessive Use of Television, Mobiles and Computers
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