Quote:
Originally Posted by kneedragger
I know moderation is the key. However Co2 above certain levels, just 5% by volume, is toxic. Are we anywhere near that(varies from .03-.06% depending on location)? hell no. Co2 levels were considerably higher 500 million years ago... I'm just bored at work and im splitting hairs 
Just doesnt support life? sounds toxic to me! 
According to the Australian Maritime Safety Authority, "Prolonged exposure to moderate concentrations can cause acidosis and adverse effects on calcium phosphorus metabolism resulting in increased calcium deposits in soft tissue. Carbon dioxide is toxic to the heart and causes diminished contractile force. At concentrations of three per cent by volume in air, it is mildly narcotic and causes increased blood pressure and pulse rate, and causes reduced hearing. At concentrations of about five per cent by volume it causes stimulation of the respiratory centre, dizziness, confusion and difficulty in breathing accompanied by headache and shortness of breath. At about eight per cent concentration it causes headache, sweating, dim vision, tremor and loss of consciousness after exposure for between five and ten minutes."
Also Co2 is used in gas chambers as well. its a toxic gas. Once again im just splitting hairs cause im bored. |
CO2 is good for plants. CO2 as a "greenhouse gas" is just gas.
CO2 was a toxic gas for the unfortunate WWII submariners whose boats were sunk but not crushed. They suffocated slowly.
In US boats, crews had access to the arms room if it wasn't flooded or destroyed. You had the option of a .45 round, or slow, gasping death. Like a fish out of water.