Sea weeds are important source of

Options

A. Chlorine
B. Fluorine
C. Bromine
D. Iodine.

Answer

**Step-by-Step Solution:**

1. **Understanding Seaweeds**: Seaweeds are marine algae that grow in ocean waters. They are an important part of marine ecosystems and have various uses.

2. **Identifying Nutrient Accumulation**: Seaweeds are known to accumulate various minerals and nutrients from seawater. Among these, certain elements are more prevalent.

3. **Focus on Iodine**: Research indicates that seaweeds, particularly kelps like Laminaria, are significant accumulators of iodine. Iodine is essential for human health and is often found in low concentrations in ocean waters.

4. **Comparing Options**: The options given are chlorine, fluorine, bromine, and iodine. While seaweeds may contain trace amounts of other elements, iodine is specifically noted for its high accumulation in these organisms.

5. **Conclusion**: Based on the information about seaweeds and their ability to accumulate iodine, the correct answer to the question is option D, iodine.

**Final Answer**: Seaweeds are an important source of D) iodine.

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