Each statement illustrates the difference in one of the physical properties of the two matierials mentioned . State the difference Example: A brick sinks in water. Ans: the brick has a higher density

Each statement illustrates the difference in one of the physical properties of the two matierials mentioned . State the difference

Example:

A brick sinks in water.

Ans: the brick has a higher density than water

Question :

Iron nails cannot be hammered into a concrete wall but steel nails can

Ans: ??