Carbon monoxide gas is more dangerous than carbon dioxide gas. Why?

Explanation

**Step-by-Step Solution:**

1. **Understanding the Gases**:
- Carbon monoxide (CO) and carbon dioxide (CO2) are both gases produced during the combustion of fuels. However, they differ significantly in their properties and effects on human health.

2. **Natural Occurrence**:
- Carbon dioxide is a naturally occurring gas in the atmosphere, essential for life as it is used by plants during photosynthesis. In contrast, carbon monoxide does not occur naturally in significant amounts in the atmosphere.

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