Answer:
Unlike earlier Greek theatres that were built into hillsides, the Colosseum is an entirely free-standing structure. It derives its basic exterior and interior architecture from that of two Roman theatres back to back. ... The remainder of the present-day exterior of the Colosseum is in fact the original interior wall.
An asteroid or comet crashed into earth.
Local area network and Ethernet. Twisted pair cabling includes four pairs of twisted wires, normally connected to a RJ-45 plug at the end. A local area network (LAN) is a group of computers that are connected together in a localized area to communicate with one another and share resources such as printers.
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