sieve scale
71Soil — For other uses, see Soil (disambiguation). A represents soil; B represents laterite, a regolith; C represents saprolite, a less weathered regolith; the bottommost layer represents bedrock …
72Echinoderm — Temporal range: Cambrian–recent …
73Timeline of historic inventions — The timeline of historic inventions is a chronological list of particularly important or significant technological inventions. Note: Dates for inventions are often controversial. Inventions are often invented by several inventors around the same… …
74MS — may refer to: Ms., an honorific title for women Ms. (magazine), an American feminist magazine Manuscript, a hand written document In geography and linguistics: Mississippi, a state in the United States of America Mato Grosso do Sul, a state in… …
75Silt — is soil or rock derived granular material of a grain size between sand and clay. Silt may occur as a soil or as suspended sediment in a surface water body. It may also exist as soil deposited at the bottom of a water body. Source Silt is… …
76MMS — may stand for: In science and technology: Multimedia Messaging Service, a standard for telephone messaging systems The Magnetospheric Multiscale Mission, a four satellite NASA mission Manufacturing Message Specification, a networking standard… …
77Experimental mathematics — For the mathematical journal of the same name, see Experimental Mathematics (journal) Experimental mathematics is an approach to mathematics in which numerical computation is used to investigate mathematical objects and identify properties and… …
78Beekeeping — [cite web| last =Traynor | first =Kirsten | title =Ancient Cave Painting Man of Bicorp | publisher =MD Bee | url =http://www.mdbee.com/articles/cavepainting.html format =Web article | accessdate =2008 03 12 ] ] Beekeeping (or apiculture, from… …
79List of combinatorics topics — This is a list of combinatorics topics.A few decades ago it might have been said that combinatorics is little more than a way to classify poorly understood problems, and some standard remedies. Great progress has been made since 1960.This page is …
80Micro-g environment — The term micro g environment (also µg, often referred to by the term microgravity) is more or less a synonym of weightlessness and zero G, but indicates that g forces are not quite zero, just very small.[1] The symbol for microgravity, µg, was… …
