float-and-sink separation
31Solvent — For other uses, see Solvent (disambiguation). A solvent (from the Latin solvō, “I loosen, untie, I solve”) is a liquid, solid, or gas that dissolves another solid, liquid, or gaseous solute, resulting in a solution that is soluble in a certain… …
32Oxford Dictionary of Proverbs, Thematic Index — absence absence makes the heart grow fonder he who is absent is always in the wrong the best of friends must part blue are the hills that are far away distance lends enchantment to the view out of sight, out of mind …
33Mexico — /mek si koh /, n. 1. a republic in S North America. 97,563,374; 761,530 sq. mi. (1,972,363 sq. km). Cap.: Mexico City. 2. a state in central Mexico. 6,245,000; 8268 sq. mi. (21,415 sq. km). Cap.: Toluca. 3. Gulf of, Mexican, Golfo de México /gawl …
34Groton, Connecticut — This article is about the Town of Groton. For the City of Groton located within the town, see Groton, Connecticut (city). Groton, Connecticut …
35plate tectonics — plate tectonic, adj. Geol. a theory of global tectonics in which the lithosphere is divided into a number of crustal plates, each of which moves on the plastic asthenosphere more or less independently to collide with, slide under, or move past… …
36Ian Thorpe — Pour les articles homonymes, voir Thorpe. Ian Thorpe …
37Jan Thorpe — Ian Thorpe Pour les articles homonymes, voir Thorpe. Ian Thorpe …
38International Space Station — ISS redirects here. For other uses, see ISS (disambiguation). International Space Station …
39History of post-Soviet Russia — With the dissolution of the Soviet Union in December 1991, the Russian Federation became an independent country. Russia was the largest of the fifteen republics that made up the Soviet Union, accounting for over 60% of the GDP and over half of… …
40United States Academic Decathlon — Infobox generic style0 = style= border: 1px solid #779FD5; float:right; font size:90%; margin: 0 0 1em 1em; padding: 0.25em; width: 275px; color = #356AB3 name = United States Academic Decathlon| img1 = Usadlogo fairuse.png width1 = 220px cap1 =… …
