Why do think there is often only a short amount of time to evacuate an area before an earthquake?

In which block of the periodic table is uranium (u) found? s blockd blockp blockf block

Mercury turns to vapor at 629.88 k how much heat is lost 175 g of mercury vapor at 650 current condenses to a liquid at 297 ca mercury turns to weber at 629.88 kelvin how much he is lost 175 g of mercury vapor and 650 coming condensers to liquidate 297 kevin

Which of these is an intensive property of a substance