Collective Nouns. In general, collective nouns are nouns that refer to a group of something in a specific manner. Often, collective nouns are used to refer to groups of animals. Consider the following sentences. Look at the gaggle of geese. There used to be herds of wild buffalo on the prairie. A bevy of swans is swimming in the pond. A colony of ants live in the anthill. In the above examples, gaggle, herds, bevy, and colony are collective nouns. Concrete Nouns
The total flight duration from Washington, DC to Boston, MA is 1 hour, 2 minutes.This is the average in-air flight time (wheels up to wheels down on the runway) based on actual flights taken over the past year, including routes like DCA to BOS.f you include this extra time on the tarmac, the average total elapsed time from gate to gate flying from Washington, DC to Boston, MA is 1 hour, 24 minutes.
The full trip takes about 50 minutes. The Washington Flyer express bus travels from Dulles to the West Falls Church Metro station, departing every 30 minutes from Door 4 on the arrivals level of the main terminal. The trip is about 25 minutes and it costs $10 one way or $18 round trip.