Ceramics
has a ___ _ melting point and ____ corrode.or rot.

Explanation

**Step-by-Step Solution:**

1. **Understanding Ceramics:**
- Ceramics are materials that are essential in our daily lives and are used in various applications, such as in space shuttles and airplanes.

2. **Properties of Ceramics:**
- Ceramics are lightweight and often brittle. They have high hardness and a low tendency to be drawn into wires.

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