Movement of Carbon (AQA A-Level Geography): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What are carbon sinks?
What are carbon sinks?
Stores absorbing more carbon than released
What acid forms when CO₂ dissolves in water during chemical weathering?
What acid forms when CO₂ dissolves in water during chemical weathering?
Carbonic acid
What happens to CO₂ solubility when ocean water cools in high-latitude regions?
What happens to CO₂ solubility when ocean water cools in high-latitude regions?
Cold water holds more dissolved CO₂
How many km² of Earth's land surface is burned by fires annually?
How many km² of Earth's land surface is burned by fires annually?
3-4 million km²
What percentage of human CO₂ emissions do present-day volcanoes release?
What percentage of human CO₂ emissions do present-day volcanoes release?
Less than 1%
How much CO₂ is emitted for every 1,000 kg of cement produced?
How much CO₂ is emitted for every 1,000 kg of cement produced?
More than 900 kg
What percentage of anthropogenic emissions do livestock account for?
What percentage of anthropogenic emissions do livestock account for?
14.5%
What does photosynthesis produce besides carbohydrates?
What does photosynthesis produce besides carbohydrates?
Oxygen
What percentage of anthropogenic CO₂ emissions results from deforestation?
What percentage of anthropogenic CO₂ emissions results from deforestation?
Up to 30%
How much carbon per hectare does undisturbed tropical forest store above ground?
How much carbon per hectare does undisturbed tropical forest store above ground?
180 tonnes