Here's why:

* Room Temperature: Copper is a metal, and metals are typically solid at room temperature.

* Melting Point: Copper has a relatively high melting point of 1084.62 °C (1984.32 °F). This means it needs to be heated to a very high temperature before it transitions to a liquid state.

* Boiling Point: Copper's boiling point is even higher at 2567 °C (4653 °F). This means it's incredibly rare to encounter copper in its gaseous state.

While copper can exist as a liquid or gas under extreme conditions, it's overwhelmingly found in its solid form in everyday life.