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Answer:
Herbs are small plants that have a fleshy or juicy stem when they are young. The stems of some herbs develop hard, woody tissue when they grow old. Most herbs are perennials. This means that the tops of the plants die each growing season, but the roots remain alive and produce new plants year after year.
Step-by-step explanation:
A: High School P, because it has the lowest <span>σ
B: High School N, because it has the highest mean</span>