Answer:
Importance for human life:
- Humans need water to stay hydrated. Humans can only survive about 3 days without water.
- Humans need water for hygiene purposes.
- Humans use water for cooking, because it is a very good solvent.
Importance for social life
- Water is essential for any human community, from hunter-gatherers to civilizations. The first civilizations were founded on the banks of large rivers.
- Water is needed for agriculture. Irrigation systems are essential for food production.
- Water is also of cultural importance. Many religious and cultural festivals center around water for example.