There were actually several building techniques that were introduced by the Romans, but perhaps the most important was the bridge building technique that allowed bridges to be built without supports.
Answer:
In Western musical notation, the staff or stave is a set of five horizontal lines and four spaces that each represent a different musical pitch or in the case of a percussion staff, different percussion instruments.
Explanation:
Answer: im pretty sure its C
Explanation: because if you do that then you have to have technology skills
