Greenhouse Gases (Edexcel GCSE Chemistry Combined Science): Flashcards
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What do greenhouse gases do?
What do greenhouse gases do?
Maintain warm temps to support life on Earth
Earth's avg temp due to greenhouse effect
Earth's avg temp due to greenhouse effect
Approx. 15°C
Mercury's night temp w/o greenhouse effect
Mercury's night temp w/o greenhouse effect
As low as -180°C
Type of radiation from Sun to Earth
Type of radiation from Sun to Earth
Shortwave solar radiation
Type of radiation Earth emits
Type of radiation Earth emits
Longwave thermal radiation
What greenhouse gases do to longwave radiation
What greenhouse gases do to longwave radiation
Absorb it, preventing escape to space
After absorbing, greenhouse gases do what?
After absorbing, greenhouse gases do what?
Re-radiate heat back to Earth's surface
Three key greenhouse gases
Three key greenhouse gases
, ,
Sources of emissions
Sources of emissions
Fossil fuels, deforestation, industrial processes
Most abundant greenhouse gas
Most abundant greenhouse gas
Water vapour ()
Sources of (methane) emissions
Sources of (methane) emissions
Livestock, rice paddies, organic waste decay
Result of increased greenhouse gas emissions
Result of increased greenhouse gas emissions
Rising global temps & climate change
How to mitigate climate change
How to mitigate climate change
Reduce greenhouse gas emissions