Petroleum is a complex mixture of solid liquid and gaseous hydrocarbons, mixed with salt water and earthy particles. It is always found trapped between two impervious rocks. It is believed that petroleum is formed by the anaerobic decomposition of extremely small sea animals and plants which got buried in the sea bed millions of years ago.
Read the below questions and try to answer them.
Why does petroleum has a strong foul smell?

Explanation

**Step-by-Step Solution:**

1. **Understanding Petroleum Composition**: Petroleum is a complex mixture that includes solid, liquid, and gaseous hydrocarbons, along with salt water and earthy particles.

2. **Formation of Petroleum**: It is formed through the anaerobic decomposition of tiny sea animals and plants that were buried under the seabed millions of years ago. Anaerobic decomposition occurs in the absence of air.

3. **Presence of Sulfur**: One of the key components found in petroleum is sulfur, which is often present in the form of sulfur-containing compounds.

...