9.3.1 Pollution

• What does the term "pollution" refer to?

  Harmful substances in the environment
• What is the impact of pollution on ecosystems and human health?

  Significant and harmful
• What is a common source of water pollution from agricultural land?

  Fertilizer runoff
• How does water pollution affect aquatic ecosystems?

  Reduces oxygen levels
• What does the term 'pollution' refer to?

  Harmful substances in the environment
• What are common contaminants in water pollution?

  Chemicals, sewage, agricultural runoff
• What agricultural activities contribute to air pollution?

  Pesticide use
• How does air pollution contribute to climate change?

  Releases greenhouse gases
• What is biomagnification in the context of water pollution?

  Accumulation of toxins in food chain
• Match the pollution prevention strategy with its action:

  Recycling ↔️ Promoting sustainable waste management

  Education ↔️ Educating the public about pollution
• What were the long-term effects of the Chernobyl Nuclear Disaster?

  Increased cancer rates
• Agricultural activities, such as pesticide use, contribute to air pollution.


  True
• Air pollution contributes to climate change and global warming.


  True
• Match the type of pollution with its environmental impact:

  Air pollution ↔️ Damages plant life

  Water pollution ↔️ Contaminates drinking water

  Land pollution ↔️ Reduces soil fertility
• Match the type of pollution with its definition:

  Water pollution ↔️ Contamination of water bodies

  Land pollution ↔️ Degradation of the earth's surface
• One main source of air pollution is the burning of fossil fuels in power plants and vehicles
• Steps in devising effective pollution control strategies

  1️⃣ Identify pollution sources

  2️⃣ Understand environmental impacts

  3️⃣ Develop prevention methods

  4️⃣ Implement regulations
• Land pollution degrades soil quality and fertility.


  True
• Wastewater treatment is a method to treat pollutants in water.


  True
• Match the type of pollution with its definition:

  Air pollution ↔️ Harmful substances in the air

  Water pollution ↔️ Contamination of water bodies

  Land pollution ↔️ Degradation of land surface
• Air pollution can be caused by the burning of fossil fuels
• Hazardous waste from industrial activities is a source of land pollution
• Biomagnification occurs when pollutants accumulate in the food chain
• Air pollution involves the presence of harmful gases, particles, or other substances in the air
• Land pollution can lead to soil contamination and loss of biodiversity.


  True
• Improper disposal of waste in landfills is a primary cause of land pollution.


  True
• Water pollution reduces dissolved oxygen levels, harming aquatic life.
• What are examples of cleaner energy sources for reducing pollution?

  Solar, wind
• The Deepwater Horizon oil spill in 2010 contaminated over 1,300 miles of coastline
• The London Smog Incident in 1952 led to stricter regulations on coal burning.

  True