Respuesta :
The correct answer is C. shoring.
When you use props such as shores in order to hold up something which may be weak or unstable, it means that you are using the technique of shoring. It is often used in archaeology, as well as construction.
When you use props such as shores in order to hold up something which may be weak or unstable, it means that you are using the technique of shoring. It is often used in archaeology, as well as construction.