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.
According to the California Department of Motor Vehicles, a blinking or flashing yellow light means that drivers should proceed with caution. Unlike a blinking red light, a blinking yellow light does not require drivers to stop, but it does suggest that they slow down and remain particularly alert. Keep Learning.