Do you think an electromagnet can be used for separating plastic bags from a garbage heap? Explain.

Explanation

**Step-by-Step Solution:**

1. **Understanding Electromagnets:**
- An electromagnet is a type of magnet that becomes magnetized when electric current flows through it. It can attract certain materials, primarily metals.

2. **Identifying the Materials:**
- In this case, we are looking at plastic bags, which are made of non-metallic materials (like polyethylene or polypropylene).

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