Fill in the blanks:
The two regions of the earth with extreme climatic conditions are_________and __________.

Explanation

**Step-by-Step Solution:**

1. **Understand the Question**: The question asks for two regions of the Earth that experience extreme climatic conditions.

2. **Define Climate**: Climate refers to the average weather conditions of a place over a long period. It encompasses factors such as temperature, humidity, and precipitation.

3. **Identify Regions with Extreme Conditions**: To answer the question, we need to think about regions known for their extreme climates.

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