What role does root pressure play in water movement in plants?

Explanation

### Step-by-Step Solution:

1. **Definition of Root Pressure**:
- Root pressure is a type of positive pressure that develops in the roots of plants. It is generated by the active absorption of nutrients and water from the soil.

2. **Mechanism of Root Pressure**:
- When roots actively absorb nutrients, they create a concentration gradient that draws water into the roots. This influx of water creates pressure within the root system, known as root pressure.

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