They get caught in trees (hence the epithet "Witches' Knickers"), take hundreds of years to decompose and push up demand for oil, used to make plastics.
To understand this though, we first need to look at an earlier form of drama known as the well-made play, which basically was a pattern for constructing plays.
The smaller the bird, for example, the more agile the flying — a swan may need the equivalent of two football fields to take off and get lift, while a hummingbird can rise like a helicopter.
The only way college could be free is if the faculty and staff donated their time, the buildings required no maintenance, and campuses required no utilities.