Answer:
They’re made up of more than one substance.
They have the same or similar properties as the materials used to make them.
Step-by-step explanation:
They’re made up of more than one substance. True.
For example concrete is made up of a loose stones embedded in a matrix of cement.
They have the same or similar properties as the materials used to make them.True.
Concrete is robust and can withstand high compression forces.
They’re always made of metal. False.
Concrete is not made up of a metal.
They’re readily available in nature. False.
Concrete is a man made substance. All composite materials are made by engineers they do not occur naturally in nature.