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.
With CA4, the new Common Application, you'll need to enter your essay in a text box that counts words. You won't be allowed to enter anything over 650 words. Note that there is also a minimum length--CA4 won't accept any essay under 250 words.