Disclose a secret or reveal something prematurely, as in You can count on little Carol to spill the beans about the surprise. In this colloquial expression, first recorded in 1919, spill means âdivulge,â a usage dating from the 1500s.
Unformatted text preview: A) S waves travel through solids and P waves travel through liquids. B) P and S waves travel through liquids, but S waves do not travel through solids. C) P waves travel through solids; S waves do not. D) P and S waves travel through liquids, but P waves do not travel through solids.
P-waves really were travelling through the core She came up with a surprising explanation: the core is divided into two layers. The inner core, which begins around 5,000km down, was actually solid.