ia04
contestada

During the Industrial Revolution, the McAdam roads had which of the following as the foundation?

A: Layers of dirt
B: Layers of coal
C: Layers of stone

Respuesta :

Answer:

A

Explanation:

:)

C. Layers of stone replaced the traditional foundations of rock. The base of the McAdam road is made from large stones, then layers of crushed stone and gravel is laid on top.