State any three characteristics of the Earth that help to support life.

Explanation

To answer the question about the three characteristics of Earth that help support life, we can break down the solution into clear steps:

### Step-by-Step Solution:

1. **Presence of Atmosphere:**
- Earth has a protective atmosphere that contains oxygen in gaseous form. This atmosphere is essential for respiration, which is a crucial process for all living organisms. Without an atmosphere, like on the Moon, life cannot exist because there would be no means for respiration.

2. **Availability of Land and Water:**
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