Flashcards on Introduction to Environmental Science
Introduction to Environmental Science: Key Concepts for Students
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Environmental Pollution and Conservation
17 cards
Card 1
Question: What are the main greenhouse gases mentioned that contribute to the greenhouse effect?
Answer: Water vapour, methane, and carbon dioxide (CO2).
Card 2
Question: How does the greenhouse effect warm the Earth according to the content?
Answer: The Sun heats the Earth, and greenhouse gases (e.g., water vapour, methane, CO2) trap heat in the atmosphere so it cannot escape to space, causing war
Card 3
Question: List three consequences of global warming noted in the content.
Answer: Rising sea levels, melting ice, and changing weather patterns with more extreme weather.
Card 4
Question: Why is climate change described as 'not natural for animals' in the content?
Answer: Because changing and more extreme weather patterns disrupt animal habitats and conditions they are adapted to.
Card 5
Question: What are the main causes of air pollution described?
Answer: Exhaust fumes from cars, buses, trucks, airplanes, motorcycles and emissions from heavy industry causing smog.
Card 6
Question: How is acid rain formed and what does it damage?
Answer: Sulphur dioxide (SO2) mixes with rainwater to form acid rain, which pollutes water and soil and damages trees, buildings, and monuments.
Card 7
Question: What types of pollution of soil and water are mentioned and what are their sources?
Answer: Factories and power plants discharge waste into water systems; household pollution from chemicals in cleaners, unsorted waste, plastics, and used oil.
Card 8
Question: What damages the ozone layer according to the content, and what is its role?
Answer: Freons and other chemicals damage the ozone layer, which normally filters the Sun's ultraviolet radiation and prevents it reaching Earth.
Card 9
Question: Where is the largest ozone hole mentioned in the content located?
Answer: Above Australia.
Card 10
Question: Why are rainforests cut down according to the content?
Answer: For timber, agriculture, land for housing, and to grow crops like oil palms or soy.