Name a trace element which increases the absorption of water and calcium

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for a trace element that enhances the absorption of water and calcium in plants.

2. **Identifying Trace Elements**: Trace elements, also known as micronutrients, are essential nutrients that plants require in small amounts for their growth and development.

3. **Role of Water and Calcium**: Water is vital for various physiological processes in plants, including photosynthesis and nutrient transport. Calcium is important for cell wall structure and stability, as well as signaling within the plant.

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