Environmental Science on Pollution Effects
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Questions and Answers

What is a major threat to health associated with air pollution?

  • It reduces life expectancy by an average of 3.8 years (correct)
  • It enhances immune system function
  • It leads to wealth disparity
  • It increases physical stamina

Which form of pollution is associated with high levels of noise and light?

  • Noise pollution (correct)
  • Air pollution
  • Land pollution
  • Water pollution

What has happened to average annual particulate pollution since the early 2000s?

  • Increased by 40% (correct)
  • Tripled in amount
  • Remained the same
  • Decreased by 40%

What is one of the leading causes of greenhouse gases and global warming?

<p>Pollution (D)</p> Signup and view all the answers

What is a major cause of water pollution?

<p>Discharge of polluted water into water bodies (B)</p> Signup and view all the answers

What is the primary cause of increased CO2 levels in the atmosphere?

<p>Human activities (D)</p> Signup and view all the answers

Which outdoor pollutant is known to specifically impact human respiratory health?

<p>Sulfur dioxide (C)</p> Signup and view all the answers

Which of the following is a source of indoor air pollution?

<p>Kerosene lamps (C)</p> Signup and view all the answers

What percentage of the atmosphere is made up of oxygen?

<p>20.95% (A)</p> Signup and view all the answers

What type of conditions can smog result from?

<p>Chemical reactions involving pollutants and sunlight (C)</p> Signup and view all the answers

Which of the following health issues is NOT linked to indoor air pollution?

<p>Stroke (C)</p> Signup and view all the answers

Which of these cities was reported as one of the top polluted cities in 2020?

<p>Lahore (B)</p> Signup and view all the answers

What is one effect of air pollution on the environment?

<p>Failures in crops (B)</p> Signup and view all the answers

Flashcards

Air Pollution

Harmful substances in the air, like vehicle exhaust and factory emissions, impacting human health.

Water Pollution

Contamination of water bodies by polluted discharge.

Pollution Types

Includes air, water, land, noise, and light pollution.

Pollution's Effects

Introduces harmful substances, contaminating air, water, and land, causing global warming.

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Global Warming Link

Pollution contributes to global warming through greenhouse gases.

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Greenhouse Gases

Gases in the atmosphere that trap heat, like carbon dioxide, water vapor, and methane.

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CO2 Increase

Human activities like burning fossil fuels increase the amount of carbon dioxide in the atmosphere, disrupting the natural balance.

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Outdoor Air Pollution Sources

Sources include burning fossil fuels (vehicles, industry, homes), industrial emissions, and burning waste.

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Indoor Air Pollution Sources

Cooking and heating using biomass fuels (wood, dung), kerosene lamps are common sources of indoor air pollution.

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Smog

A visible brown haze caused by chemical reactions in the atmosphere involving gases from burning fossil fuels and sunlight.

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Effects of Outdoor Air Pollution (Human)

Respiratory illnesses, stroke, heart disease, and lung cancer are some health impacts.

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Effects of Indoor Air Pollution (Children)

Children are particularly vulnerable, often suffering from respiratory illnesses (pneumonia) due to indoor air pollution.

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Air Pollution Invisibility

Visible air pollution, like smog, is readily apparent, but other invisible forms also cause harm.

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