What is the importance of the carbon dioxide CO2 cycle? - Quora

What is the percentage of human-made carbon dioxide in our atmosphere? Is it possible that human activity is only responsible for a portion of the observed increase in CO2 levels? - Quora

If carbon dioxide is increasing in our atmosphere and causing climate change, how is oxygen still maintained at exactly 20.95%? - Quora

Plants produce carbon dioxide as a product of cellular respiration; but they release oxygen rather than carbon dioxide. How is this possible? - Quora

How does carbon dioxide work as plant food? - Quora

Do carbon dioxide levels fluctuate with the lunar cycle? - Quora

How does the 28 times global warming power of carbon dioxide as a greenhouse gas compare to other greenhouse gases? - Quora

At what stage of its life does a tree absorb the most amount of CO2 from the air? - Quora

What role do nutrients play in the carbon cycle? - Quora

What is the highest level of carbon dioxide that has been recorded in our atmosphere? - Quora

From where does the oxygen in glucose come in photosynthesis? Is it carbon dioxide or water? - Quora

What makes carbon dioxide an infrared-absorber? - Quora

How much do cars contribute to CO2 gas emissions? - Quora

What are the potential consequences of increasing the concentration of carbon dioxide in the Earth's atmosphere? Why has this not happened before? - Quora

What happens to the CO2 produced by cellular respiration? - Quora

What would happen if we stopped producing carbon dioxide (from cars and factories, not from breathing)? I am curious as to how long it would take to naturally reduce atmospheric carbon dioxide