Well, it depends on what you mean by "contributes." There are many different types of contributions... the fastest ones usually are people chatting on the forums or on the message boards.
WikiAnswers was the fastest growing website in 2007.
On all of Answers.com, ReferenceAnswers might win, since an entire encyclopedia or collection of books might be added to the site in a very short period of time... much faster than any individual contributor could enter information on the WikiAnswers side.
Infants will have the fastest pulse rate.
Most of the browsers work good for WikiAnswers. Google Chrome is extremely fast and does not lag.
is the resting heart rate is fastest in adult life
Everyone!
Recategorizing and Editing questions is the fastest way to make contributions to WikiAnswers, but all contributions are valued. We do not encourage contributors to contribute for the sole reason of getting contribution points - do what you enjoy!
The amplitude of a sine wave is increasing at its fastest rate at the maximum points (90°, 270°) and decreasing at its fastest rate at the minimum points (0°, 180°).
Fastest transmission rate would be 802.11n
rate of absorption from fastest to slowest
RAM (Random Access Memory) storage devices typically has the fastest transfer rate.
Chris Whitten, the founder of WikiAnswers (then FAQ Farm), still contributes on WikiAnswers. He sold the name WikiAnswers to focus on Answers. He is still the founder and still works day to day on this site.