The term specific gravity, symbolized sp gr, refers to the ratio of the density of a solid or liquid to the density of water at 4 degrees Celsius. The term can also refer to the ratio of the density of a gas to the density of dry air at standard temperature and pressure, although this specification is less often used.
Households in Columbia, MD have a median annual income of $100,849, which is more than the median annual income in the United States. Look at the chart to see how the median household income in Columbia, MD compares to that in it's parent locations. Dataset: Source:
Alberta Average Household Income in 2010 is the Highest in Canada. Monthly reports are showing Albertanâs are earning the highest weekly paycheques out of all of Canada.f you are looking for a good paycheque and higher than average annual income, this province would be a good place to start. In 2010 the average annual household income for Albertan families was $78,800 after taxes (deducting from total household income).