Humanity & Greenhouse Gases (OCR GCSE Chemistry A (Gateway Science Suite)): Flashcards

📚Flashcards
Humanity & Greenhouse Gases
Sign up to keep revising.Create a free account to study more flashcards and track your progress.

Practise the cards

12 cards from this deck

Show

Impact of human activity on Earth's greenhouse effect

Amplifies it, causing climate change

CO2\text{CO}_2 emissions since Industrial Revolution

Drastically increased

Main human source of greenhouse gas increase

Burning fossil fuels

How motor transport contributes to emissions

Burns fossil fuels, releases CO2\text{CO}_2

Industrial manufacturing emissions source

Combustion of fossil fuels & chemical processes

Gases air travel releases into upper atmosphere

CO2\text{CO}_2 and water vapour

Natural process removing CO2\text{CO}_2 from atmosphere

Photosynthesis

Effect of deforestation on CO2\text{CO}_2 absorption

Reduces it - fewer trees for photosynthesis

% of world's forests lost in last 70 years

50%

What controlled burning for agriculture releases

CO2\text{CO}_2 from burned plant matter

Greenhouse gas from cattle farming

Methane (digestion & waste decomposition)

Greenhouse gas from rice farming

Methane (organic matter in flooded paddies)

Explore OCR GCSE Chemistry A (Gateway Science Suite) Revision Notes by Topics

Explore OCR GCSE Chemistry A (Gateway Science Suite) Model Answers by Topics

Explore OCR GCSE Chemistry A (Gateway Science Suite) Quizzes by Topics

Explore OCR GCSE Chemistry A (Gateway Science Suite) Exam Questions by Topics

Join 100,000+ GCSE students studying Flashcards with us.

Select your subjects, and get access to A+ resources today.