Q1
What do greenhouse gases do?
ATrap heat in the atmosphere
BRelease heat into space
CCool the atmosphere
DNothing
ICSEClass 7 (ICSE)GeographyCh 4 · Topic 2
Practice and Revision - Greenhouse Effect and Global Warming
Let us practise and revise what we learned about greenhouse effect and global warming. The greenhouse effect traps heat in Earth's atmospher
Core concept
Greenhouse gases, like carbon dioxide and methane, trap heat from the Sun, similar to how a greenhouse keeps plants warm.
How it works
This natural greenhouse effect is essential for life, keeping Earth's average temperature suitable for living things.
Why it matters
Human activities, like burning fossil fuels and deforestation, have increased greenhouse gas levels, intensifying the greenhouse effect.
Key detail
This intensified effect causes global warming, leading to rising temperatures, melting ice caps, and changing weather patterns worldwide.
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Quick notes
• Greenhouse gases trap heat in the atmosphere.
• Examples: carbon dioxide, methane.
• This is similar to how a greenhouse works.
• The natural greenhouse effect is essential for life.
• Human activities increase greenhouse gas levels.
• Burning fossil fuels and deforestation contribute.
• This intensifies the greenhouse effect.
• It causes global warming and climate change.