what are some sources of carbon dioxide?

6 answers

natural sources:

- burning of fossil fuels
- volcanic eruptions
- decay of plant and animal matter
- resperation
thank you, I just found it before you replied. Now I am looking for health effects. I know it causes global warming, but I am not finding health effects.
- Asphyxiation. Caused by the release of carbon dioxide in a confined or unventilated area. This can lower the concentration of oxygen to a level that is immediately dangerous for human health.
- Frostbite. Solid carbon dioxide is always below -78 oC at regular atmospheric pressure, regardless of the air temperature. Handling this material for more than a second or two without proper protection can cause serious blisters, and other unwanted effects. Carbon dioxide gas released from a steel cylinder, such as a fire extinguisher, causes similar effects.
- Kidney damage or coma. This is caused by a disturbance in chemical equilibrium of the carbonate buffer. When carbon dioxide concentrations increase or decrease, causing the equilibrium to be disturbed, a life threatening situation may occur.

I just copied and pasted this from a site. I don't know if the information is true or not. You`ll have to verify.
I would post the link on here but I don't think we're permitted to do so.
Thank you, I will try and look for the information more, I am having problems though.
try typing something like:

dangers of carbon dioxide to human health

into a search engine
Type in MSD and CO2 into a search engine.

(MSD stands for material safety dats)