Soil air has high content of:
Oxygen
Nitrogen
Carbon dioxide and moisture
Carbon dioxide
The content of the carbon dioxide in the air is 500 ppm(parts per million). What is the content of Oxygen in the air ?
Blood analysis of a patient reveals an unusually high quantity of carboxyhaemoglobin content. Which of the following conclusions is most likely to be correct? The patient has inhaled polluted air containing high content of