Humanity & Greenhouse Gases (OCR GCSE Chemistry A (Gateway Science Suite)): Quizzes
📚Quizzes
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12 questions from this quiz
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Practise the questions
12 questions from this quiz
What effect has human activity had on Earth's greenhouse effect?
What effect has human activity had on Earth's greenhouse effect?
Amplified it substantially
Since which period have CO₂ and greenhouse gas emissions drastically increased?
Since which period have CO₂ and greenhouse gas emissions drastically increased?
The Industrial Revolution
What do motor vehicles like cars and buses release into the atmosphere?
What do motor vehicles like cars and buses release into the atmosphere?
Large amounts of CO₂
What do airplanes release into the upper atmosphere?
What do airplanes release into the upper atmosphere?
CO₂ and water vapour
What type of fuel do ships that contribute significantly to CO₂ emissions use?
What type of fuel do ships that contribute significantly to CO₂ emissions use?
Heavy fuel oil
Which natural process helps remove CO₂ from the atmosphere?
Which natural process helps remove CO₂ from the atmosphere?
Photosynthesis
What percentage of forests has the world lost in the last 70 years?
What percentage of forests has the world lost in the last 70 years?
50%
What does controlled burning of vegetation for agriculture release?
What does controlled burning of vegetation for agriculture release?
Significant amounts of CO₂
Why is controlled burning used in land clearance?
Why is controlled burning used in land clearance?
To make way for crops
How does cattle farming contribute to methane emissions?
How does cattle farming contribute to methane emissions?
Through digestive processes & waste
Why does rice farming produce large amounts of methane?
Why does rice farming produce large amounts of methane?
Due to flooded paddy decomposition
What has deforestation reduced in terms of CO₂?
What has deforestation reduced in terms of CO₂?
CO₂ absorption by trees