Define hydroponics. Mention the important aspects of hydroponics

Explanation

### Step-by-Step Solution:

1. **Definition of Hydroponics**:
Hydroponics is a method of growing plants without soil, where the roots are submerged in a nutrient-rich water solution. The term "hydroponics" is derived from the Greek words "hydro," meaning water, and "ponic," meaning culture.

2. **Soilless Technique**:
This technique allows plants to grow in a soilless environment, relying solely on a nutrient solution that provides all the essential minerals and nutrients required for plant growth.

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