This higher density has the effect that at subduction zones the oceanic lithosphere invariably sinks underneath the overriding lithosphere, which can be oceanic or continental. New oceanic lithosphere is constantly being produced at mid-ocean ridges and is recycled back to the mantle at subduction zones.
poor. adj. poorÂ·er, poorÂ·est. 1. a. Having insufficient wealth to meet the necessities or comforts of life or to live in a manner considered acceptable in a society. b. Relating to or characterized by poverty: the poor side of town. 2. Deficient or lacking in a specified resource or quality: an area poor in timber and coal; a diet poor in calcium. 3. Not adequate in quality or quantity; inferior: a poor performance; poor wages.
Quality is important to businesses but can be quite hard to define. A good definition of quality is: âQuality is about meeting the needs and expectations of customersâ Customers want quality that is appropriate to the price that they are prepared to pay and the level of competition in the market. Key aspects of quality for the customer include: