Vincent graduated from college with a degree in
horticulture and now owns a local plant nursery. he
maintains a blog titled, "how to live a happy life,' and
writes that people can lead happier lives by varying the
routes they usually take home from work

.) the observation by semmelweis that more mothers died of childbed fever when their doctors also worked in the morgue

the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.

heats surface water up