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.
â (incomplete pause) OFTEN FOLLOWS A PAC; represents the delay during which the SA node resets the rhythm for the next beat â normal beat following PAC occurs BEFORE it was expected â distance between 3 normal beats is NOT THE SAME as distance between 3 beats one of which is the PAC.