CO2 & CH4 as Greenhouse Gases (AQA GCSE Chemistry Combined Science): Flashcards
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How does human activity affect greenhouse effect?
How does human activity affect greenhouse effect?
Amplifies it, causing significant climate changes
When emissions drastically increased
When emissions drastically increased
Since the Industrial Revolution
Main cause of increased greenhouse gas emissions
Main cause of increased greenhouse gas emissions
Burning fossil fuels for industry, transport, urban life
Result of amplified greenhouse effect
Result of amplified greenhouse effect
Rise in global temperatures
How motor transport contributes to emissions
How motor transport contributes to emissions
Cars, buses, lorries burn fossil fuels, release
How industrial manufacturing emits greenhouse gases
How industrial manufacturing emits greenhouse gases
Fossil fuel combustion and chemical processes
Where airplanes release
Where airplanes release
Directly into upper atmosphere
Natural process that removes from atmosphere
Natural process that removes from atmosphere
Photosynthesis
Human activity reducing absorption by trees
Human activity reducing absorption by trees
Deforestation and land clearance
% of world's forests lost in last 70 years
% of world's forests lost in last 70 years
About 50%
What controlled burning for agriculture releases
What controlled burning for agriculture releases
previously stored in plant matter
Cattle farming's greenhouse gas contribution
Cattle farming's greenhouse gas contribution
Methane from digestion and waste decomposition
Why rice farming produces methane
Why rice farming produces methane
Decomposition of organic matter in flooded paddies