Fill up the blank
Soil, water and air are the _______ factors of a habitat.

Explanation

**Step-by-Step Solution:**

1. **Understand the Question**: The question asks to fill in the blank regarding soil, water, and air in relation to a habitat.

2. **Define Habitat**: A habitat is the natural environment where organisms, such as plants and animals, live and grow. It can be terrestrial (land) or aquatic (water).

3. **Identify Factors of Habitat**: There are two main types of factors that affect a habitat: biotic and abiotic.

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