Login
Login
Login
Register

Tutor HuntTest QuestionsChemistry QuestionsYear 10 Chemistry Questions

 

How Carbon Dioxide Decreased (GCSE Chemistry)

The following is a GCSE Chemistry test covering 'How Carbon Dioxide Decreased' from the broader topic Chemistry Of The Atmosphere. The test is geared towards the AQA exam board style syllabus.
Start Test
Incorrect: 0
Correct: 0
Question 1
...
Congratulations - you have completed the test!
Your final score was

Below a typical questions that will be covered in this test. You final score will be logged on your account

Which of the following best explains how the burial of organic carbon reduces atmospheric CO2 over geological time?
Which of the following best summarizes how carbon dioxide decreased from the early atmosphere to levels closer to today’s?
Which role did cyanobacteria and early algae play in the long-term decrease of atmospheric CO2?
Which environmental change would increase the ocean’s capacity to absorb and store CO2 (all else equal)?
Which geological process stores atmospheric carbon dioxide as solid rock and so reduced CO2 levels over long time scales?
Which action would increase the long-term geological removal of atmospheric CO2?
Which balanced equation shows how plants remove carbon dioxide from the atmosphere during photosynthesis?
Which statement best describes why CO2 decreased while oxygen increased in the atmosphere billions of years ago?
Which of the following best describes why limestone formation is considered a long-term carbon sink?
Which observation would best indicate that less CO2 is being added to the atmosphere than removed by natural sinks over many years?
Which example illustrates a negative feedback that could reduce atmospheric CO2 over long timescales?