The number of semester credit hours required for an associate degree depends on the college and degree program. In general, an associate degree takes two years full time and represents half the work required for a bachelor's degree.
A dekatherm (dth) is a unit of energy used primarily to measure natural gas, developed in about 1972 by the Texas Eastern Transmission Corporation, a natural gas pipeline company. It is equal to 10 therms or 1,000,000 British thermal units (MMBtu).
Definition - What does Sweet Gas mean? Sweet gas is the natural gas that contains very little or no the hydrogen sulfide. The H2S is undesirable due to its toxicity in addition to being corrosive to all metals used in the equipment for gas processing, handling and transportation.