Three domains of life proposed are domain _________, ________ and _________.

Explanation

To answer the question regarding the three domains of life, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Concept**: The three domains of life are a classification system that categorizes all living organisms based on their cellular organization and genetic makeup.

2. **Identifying the Domains**: The three domains proposed are:
- **Archaea**: This domain includes microorganisms that are similar to bacteria but have distinct genetic and biochemical characteristics. They often live in extreme environments.
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