Carbon dioxide in the atmosphere
Why have levels of carbon dioxide steadily increased in the last 200 years?
- The burning of fossil fuels as an energy source has increased the rate of release. - Deforestation to clear land decreases rate of absorption.
Carbon dioxide is one of the main...
Greenhouse gases found in the Earth's atmosphere.
Where is carbon found?
In all living things. It is constantly recycled through the carbon cycle.
How is carbon dioxide found in the atmosphere?
In small amounts. It is absorbed by plants through photosynthesis and released by living organisms as they rot and respire.
What has happened to carbon dioxide levels in the past 200 years?
It has steadily increased.
What do scientist believe about the correlation between Earth's temperature and carbon dioxide?
It is caused because carbon dioxide is a greenhouse gas.
Why has the levels of carbon dioxide been steady for thousands of years?
The rates of absorption and release of carbon dioxide has been the same.
What does the recent increase in the Earth's temperature correlate to?
The rise in carbon dioxide levels.
