natural metric
111grassland — /gras land , grahs /, n. 1. an area, as a prairie, in which the natural vegetation consists largely of perennial grasses, characteristic of subhumid and semiarid climates. 2. land with grass growing on it, esp. farmland used for grazing or… …
112Universe — For other uses, see Universe (disambiguation). Physical cosmology …
113Reverse mathematics — is a program in mathematical logic that seeks to determine which axioms are required to prove theorems of mathematics. The method can briefly be described as going backwards from the theorems to the axioms. This contrasts with the ordinary… …
114Quezon, Isabela — Infobox Philippine municipality infoboxtitle = Municipality of Quezon sealfile = Quezon isabela.png locatormapfile = Ph locator isabela quezon.png| caption = Map of Isabela showing the location of Quezon. region = Cagayan Valley (Region II)… …
115Dutch units of measurement — Relief on the gable of De Waag at the Markt in Gouda The Dutch units of measurement used today are those of the metric system. Before the 19th century, a wide variety of different weights and measures were used by the various Dutch towns and… …
116Energy policy of the People's Republic of China — The energy policy of the People s Republic of China is a policy decided on by the Central Government with regard to energy and energy resources. The country is currently the world s largest emitter of greenhouse gases according to a Dutch… …
117Complex number — A complex number can be visually represented as a pair of numbers forming a vector on a diagram called an Argand diagram, representing the complex plane. Re is the real axis, Im is the imaginary axis, and i is the square root of –1. A complex… …
118Affine connection — An affine connection on the sphere rolls the affine tangent plane from one point to another. As it does so, the point of contact traces out a curve in the plane: the development. In the branch of mathematics called differential geometry, an… …
119Oil tanker — Supertanker redirects here. For the aerial firefighting aircraft, see Evergreen 747 Supertanker. The commercial oil tanker AbQaiq, in ballast Class overview Name …
120temperate forest — ▪ ecology Introduction vegetation type with a more or less continuous canopy of broad leaved trees. Such forests occur between approximately 25° and 50° latitude in both hemispheres (seeFigure 1 >). Toward the polar regions they grade into… …
