This entry was posted in Accounting & Finance, Administrative, Human Resources and tagged Average Pay for Business Analysts, Demand for Business Analysts, Highest Paying States for Business Analysts, How Much Does A Business Analyst Make on April 3, 2013.
Credit: iStockphoto. Science has struggled to explain fully why an ice age occurs every 100,000 years. As researchers now demonstrate based on a computer simulation, not only do variations in insolation play a key role, but also the mutual influence of glaciated continents and climate. Share:
How Many Ice Ages Were There? There have been at least five major ice ages in the Earthâs past. Outside these ages, the Earth seems to have been ice-free even in high latitudes. Rocks from the earliest well established ice age, called the Huronian, formed around 2.4 to 2.1 Ga (billion years) ago during the early Proterozoic Eon.