Minimum contacts. Minimum contacts is a term used in the United States law of civil procedure to determine when it is appropriate for a court in one state to assert personal jurisdiction over a defendant from another state.
Under ideal conditions, oak trees live an average of 150 years, with short-lived varieties lasting 50 to 60 years and long-lived varieties living more than 150 years.
Jupiterimages/Photos.com/Getty Images. Many Americans have oak trees in their yards, but some have no idea which oak species it is. According to Savatree, around 400 oak species exist. However, according to the United States Geological Survey, only 60 are native to North America.any Americans have oak trees in their yards, but some have no idea which oak species it is. According to Savatree, around 400 oak species exist.