Indirect ways of assessing past temperatures, using so-called temperature proxies, take measurements of responses to past temperature change that are preserved in natural archives such as ice, rocks and fossils.
Wikipedia has an article on: Reorder tone. Wikipedia. fast busy signal â(plural fast busy signals) (telephony) An audible signal on a voice phone line that sounds more frequently than a standard busy singal, indicating that no transmission path to the called phone number is available.
From Wikipedia, the free encyclopedia. A Sig Alert is defined by the California Highway Patrol (CHP) as any unplanned event that causes the closing of one lane of traffic for 30 minutes or more. CalTrans uses the term SigAlert, and is defined as any traffic incident that will tie up two or more lanes of a freeway for two or more hours.