Question

When a gas (x) is present in excess in our room, we often feel suffocation. This gas (x) is​

Answer 1

Explanation:

x is Carbon Dioxide. We feel so because it reduces our gaseous exchange in lungs.

Some of it's new forms like Carbon Monoxide can cause death.

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Answer 2

your are vary fool you don't now this answer also vast fallo answer is carbondioxide ok learn it ok