no the Romans were not the first ancient Egypt was the first to use the colums!!
In their own homes, they would mostly use stone or wood. Marble was for the very rich only. In temples - but only important temples of major deities, built to impress - marble would be more common.
Yes, but because stone was inadequate, they switched to ceramic and lead pipes.
They copied them from the Greeks:IonicCorinthianDoric.
Colonnades or pillars.
They served to support the rooves of temples and other public buildings. The Egyptians had made abundant use of columns long before the Romans. The Romans adopted this architecture in the process of orientalisation - the absorption of Greek culture and art that occurred among the Etruscans the Latins and other Italic peoples in Italy. The Greeks also used column to support the rooves. Columns create a sense of grandeur.
Everything! Including columns.
Arches!
The Romans adopted the Greek orders Styles) for making columns (Doric, Ionic and Corinthian) but also developed the composite style, which combined aspects of two reorders. They used columns for the temples and for porticoes.
columns and open spaces
do jobs in Italy
The Romans adopted the three Greek orders (styles) of columns: Dorian, Ionic and Corinthian. They also developed the composite order, which combined elements of two orders.