Crude oil transported from oil wells through the ocean sometimes results in ______ which cause water pollution.

Options

A. oil spill
B. health hazards
C. eutrophication
D. coolant

Explanation

**Step-by-Step Solution:**

1. **Understanding the Context**: The question refers to the transportation of crude oil from oil wells through the ocean. It is important to recognize that this process can lead to various environmental issues.

2. **Identifying the Options**: The options given are:
- Oil spill
- Health hazard
- Eutrophication
- Coolant

3. **Analyzing the Options**:
- **Oil Spill**: This refers to the accidental release of crude oil into the ocean, which is a common occurrence during transportation.
- **Health Hazard**: While oil spills can pose health risks, this term does not specifically describe the phenomenon of pollution caused by crude oil.
- **Eutrophication**: This is a process related to nutrient pollution in water bodies, not directly linked to crude oil.
- **Coolant**: This term does not relate to the context of oil transportation and pollution.

4. **Conclusion**: Given that crude oil can leak during transportation, leading to oil floating on the water surface and causing pollution, the correct answer is "Oil Spill".

5. **Final Answer**: Crude oil transported from oil wells through the ocean sometimes results in **oil spill** which causes water pollution.

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