Answer:
Plastic is difficult to recycle because it is composed of several different polymer types.Hence,it is impossible to recycle different plastics together as they melt at different temperatures.
That in ancient Egypt, ritualistic burials in tombs together with death played an important part in Egyptian culture and that it was a topic that was talked about. Pharaohs were usually burried in pyramids :)
Greeks created settlements along the Aegean coast of Ionia (or Asia Minor) from the 8th century BCE.