Shower image by Semfamily from Fotolia.com. A direct vent hot water heater contains a sealed pipe system for intake combustion air and exhaust gases. This creates an air-tight combustion chamber which eliminates backdrafting and improves fuel efficiency. For combustion air, a gas-fired hot water heater draws in outside air or pulls it from inside the house.
The Common Application is a standardized application used by nearly 700 colleges. Each year, nearly a million students use the Common Application to submit over 4 million applications. The Universal College Application is accepted by more than 30 colleges and universities.
In terms of the big names, all eight Ivy League schools (Brown, Columbia, Cornell, Dartmouth, Harvard, Princeton, University of Pennsylvania, Yale), as well as other top schools like Stanford, University of Chicago, Caltech, Johns Hopkins, Northwestern, Vanderbilt, and Rice accept the Common Application.