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:
Non-spayed female dogs will go into heat or estrus usually twice a year. The age at which they start their cycles and the duration of the cycle varies greatly between the breeds of dogs and individual dogs. Learn more facts about canine estrus in this FAQ. Answer: There are four stages to the canine estrus cycle:ome general rules of thumb for canine estrus: 1  The first estrus cycle usually occurs by age 6-12 months; for some small breeds, as early as 5 months, and for some large and giant breeds, the first cycle may not occur until 14 months of age or older. 2  On average, dogs have two cycles a year.