Give one example each of a plant that reproduces by :
(a) runner
(b) offset

Explanation

To answer the question regarding examples of plants that reproduce by runners and offsets, we can break down the solution step by step.

### Step-by-Step Solution:

1. **Understanding Runners**:
- Runners are horizontal stems that grow along the ground. They produce new plants at their nodes.
- Example: **Grass** (e.g., Bermuda grass) reproduces through runners. The horizontal stems spread out, and new grass plants can emerge from the nodes.

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