Communication would be the main aspect of anything when getting right with somebody or even something such as a pet because i know u talk to yours<span />
Answer:
The seven hills' denizens began to interact, which began to bond the groups. The city of Rome, thus, came into being as these separate settlements acted as a group, draining the marshy valleys between them and turning them into markets (fora in Latin).
Explanation:
Cotton gins, battery, cars, radio
The way the rocks were formed. Earthquake wave data.