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.
Bur Oak. The bur oak (Quercus macrocarpa) is a white oak that doesn't produce its first acorns until it is 35 years old. The span between a mature bur oak's abundant acorn crops is three to four years. The tree produces large acorns, and each one has a spiky cap that covers one-half of the acorn.