What is the primary source of energy which causes changes in the weather?

Explanation

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks for the primary source of energy that causes changes in the weather.

2. **Understanding Weather**: Weather refers to the state of the atmosphere at a specific time and place, including factors like temperature, humidity, precipitation, and wind. It is dynamic and can change rapidly.

3. **Recognizing the Role of Energy**: Changes in weather are influenced by energy sources. The primary source of energy that drives these changes is essential to understand.

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