average directional movement index
81building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
82Owl — For other uses, see Owl (disambiguation). Owl Temporal range: Late Paleocene–Recent …
83Food web — A freshwater aquatic and terrestrial food web. A food web (or food cycle) depicts feeding connections (what eats what) in an ecological community. Ecologists can broadly lump all life forms into one of two categories called trophic levels: 1) the …
84Concrete — This article is about the construction material. For other uses, see Concrete (disambiguation). Outer view of the Roman Pantheon, still the largest unreinforced solid concrete dome.[1] …
85Magnetism — This article is about magnetic materials. For information about objects and devices that produce a magnetic field, see magnet. For fields that magnets and currents produce, see magnetic field. For other uses, see magnetism (disambiguation).… …
86Day trading — This article is about the practice. For the occupation, see Day trader. Day trading refers to the practice of buying and selling financial instruments within the same trading day such that all positions are usually closed before the market close… …
87Energy development — Schematic of the global sources of energy in 2006 2007 …
88Extratropical cyclone — Part of the Nature series on Weather   Calendar seasons Spring · Summer Autumn  …
89Canoe — A canoe is a small narrow boat, typically human powered, though it may also be powered by sails or small electric or gas motors. Canoes usually are pointed at both bow and stern and are normally open on top, but can be covered. In its human… …
90Dalek variants — …
