Question

Motor vehicle exhaust and kerosene- and wood-burning stoves are sources of which odorless, colorless gas that also contributes to the formation of smog?

Answer 1

CO is a colorless, odorless gas that can be harmful when inhaled in large amounts. CO is released when something is burned. The greatest sources of CO to outdoor air are cars, trucks and other vehicles or machinery that burn fossil fuels.

What is Carbon Monoxide?

The amount of oxygen that can be carried in the bloodstream to vital organs like the heart and brain is decreased when breathing air with a high CO concentration.

When CO concentrations are extremely high, which is conceivable indoors or in other enclosed spaces, it can result in lightheadedness, confusion, unconsciousness, and even death.

It is unlikely that very high CO levels will be found outside. But when CO levels are high outside, those who have certain types of heart disease may find them particularly concerning. These patients already have a diminished capacity for supplying their hearts with oxygenated blood when those conditions arise. When exercising or under more stress, they are especially susceptible to CO's effects. In these circumstances, temporary

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