Carboxy haemoglobin is formed when haemoglobin combines with a) carbon dioxide b)CFCs c)carbon monoxide d)none of these Answer : a) carbon dioxide...
High concentration of which gas will not cause air pollution ? a) oxygen b)nitrogen dioxide c)carbon dioxide d)carbon monoxide Answer : a) oxygen...
The open "Sigrees" or coal stoves often require fanning to sustain burning because of (1) tendency of carbon dioxide to form a layer along with dust smoke (2) lack of oxygen in the ... 3) accumulation of smoke and dust over the sigrees (4) interrupted release of moisture from the material Answer : tendency of carbon dioxide to form a layer along with dust smoke...
The surface area of a human lung is equal to a tennis court. In order to more efficiently oxygenate the blood, the lungs are filled with thousands of branching bronchi and tiny, grape-like alveoli. ... easier for this exchange to take place, and makes sure you stay properly oxygenated at all times.
Increase in temperature due to excess of carbon dioxide in air which traps heat energy is known as _______ . a) global warming b)soot c)ash d)acid rain Answer : a) global warming...
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