Fill in the blanks:
Microorganisms can be seen with the help of a _________.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks us to fill in the blank regarding what tool is used to see microorganisms.

2. **Identifying Microorganisms**: Microorganisms include bacteria, fungi, and other tiny organisms that are too small to be seen with the naked eye.

3. **Recognizing the Size Limitation**: Since microorganisms are microscopic in size, they cannot be observed directly by the human eye.

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