What is the difference between Botanical Garden and Herbarium ?

Explanation

### Step-by-Step Solution:

1. **Definition**:
- **Botanical Garden**: A botanical garden is a place where living plant collections of various species are maintained. It serves as a conservation area for living plants.
- **Herbarium**: A herbarium is a facility where dried, pressed, and well-preserved plant specimens are stored for research and reference.

2. **Materials Kept**:
- **Botanical Garden**: The botanical garden primarily contains living plant species. It focuses on the cultivation and maintenance of these plants.
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