Sphagnum (a moss) provides -

Options

A. oil
B. Peat (fuel)
C. Agar
D. Antibiotics

Answer

**Step-by-Step Text Solution:**

1. **Identify the Organism**: The question refers to Sphagnum, which is a type of moss. Mosses belong to the group known as bryophytes.

2. **Understand the Role of Sphagnum**: Sphagnum is commonly known as peat moss. It is significant in various ecological and commercial applications.

3. **List the Products Provided by Sphagnum**:
- **Peat**: Sphagnum is known for its ability to accumulate and form peat, which is a type of organic material used as fuel and soil conditioner.
- **Water Retention**: Sphagnum has a high capacity for water retention, making it useful in horticulture and as packing material for transporting living plants.
- **Antibiotics**: Sphagnum has been noted for its potential in producing substances that can act as antibiotics, though this is less commonly highlighted compared to its other uses.

4. **Clarify Misconceptions**: While Sphagnum is mentioned in relation to agar, it's important to note that agar is actually derived from certain types of algae, not mosses. Therefore, Sphagnum does not provide agar.

5. **Conclusion**: The primary products provided by Sphagnum moss are peat and its ability to retain water. It also has some relevance in the context of antibiotics.

**Final Answer**: Sphagnum (a moss) provides peat and has water retention properties, and it is associated with some antibiotic properties.

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