it's three centimetres thick
11Sedimentary rock — Middle Triassic marginal marine sequence of siltstones (below) and limestones (above), Virgin Formation, southwestern Utah, USA Sedimentary rock are types of rock that are formed by the deposition of material at the Earth s surface and within… …
12brick and tile — ▪ building material Introduction structural clay products, manufactured as standard units, used in building construction. The brick, first produced in a sun dried form at least 6,000 years ago and the forerunner of a wide range of… …
13machine tool — machine tooled, adj. a power operated machine, as a lathe, used for general cutting and shaping of metal and other substances. [1860 65] * * * Stationary, power driven machine used to cut, shape, or form materials such as metal and wood. Machine… …
14Velvet worm — Taxobox name = Onychophora fossil range = Cambrian – Recent image width = 250px image caption = Velvet worm regnum = Animalia phylum = Onychophora phylum authority = Grube, 1853 subdivision ranks = Extant families subdivision = Peripatidae… …
15Cactus/Temp — Taxobox name = Cacti image width = 250px image caption = Echinocereus triglochidiatus ssp. arizonicus regnum = Plantae divisio = Magnoliophyta classis = Rosopsida subclassis = Caryophyllidae ordo = Caryophyllales familia = Cactaceae familia… …
16Coralline algae — Temporal range: Early Cretaceous–recent[1][2][3] …
17continental landform — ▪ geology Introduction any conspicuous topographic feature on the largest land areas of the Earth. Familiar examples are mountains (including volcanic (volcanism) cones), plateaus, and valleys. (The term landform also can be applied to… …
18gasterosteiform — ▪ fish order Introduction any member of the order Gasterosteiformes, a group of fishes characterized generally by soft fin rays, pelvic fins located on the abdomen, an air bladder without a duct to the gut, and a primitive kidney. Gill… …
19mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …
20CN Tower — This article is about the CN Tower in Toronto. For the tower in Edmonton, see CN Tower (Edmonton). CN Tower CN Tower is the world s 5th tallest free standing structure.[1] …
