Humanity & Greenhouse Gases (AQA GCSE Chemistry): Flashcards
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13 cards from this deck
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Practise the cards
13 cards from this deck
Human activity's impact on greenhouse effect
Human activity's impact on greenhouse effect
Amplifies it, causing climate change
Period when emissions drastically increased
Period when emissions drastically increased
Since the Industrial Revolution
Main source of increased greenhouse gas emissions
Main source of increased greenhouse gas emissions
Burning fossil fuels
How motor transport contributes to emissions
How motor transport contributes to emissions
Burns fossil fuels, releasing large amounts of
Gases from industrial manufacturing
Gases from industrial manufacturing
from fuel combustion & chemical processes
What air travel releases into upper atmosphere
What air travel releases into upper atmosphere
and water vapour
Ships' fuel type contributing to emissions
Ships' fuel type contributing to emissions
Heavy fuel oil
Natural process removing from atmosphere
Natural process removing from atmosphere
Photosynthesis
Effect of deforestation on absorption
Effect of deforestation on absorption
Reduces it (fewer trees for photosynthesis)
% of forests lost in last 70 years
% of forests lost in last 70 years
About 50%
How controlled burning adds to emissions
How controlled burning adds to emissions
Releases stored in plant matter
Source of methane from cattle farming
Source of methane from cattle farming
Livestock digestion & waste decomposition
Why rice farming produces methane
Why rice farming produces methane
Organic matter decomposition in flooded paddies