When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Coal is formed from prehistoric plants buried much closer to the surface, and is unlikely to migrate below 3.2 kilometers (2.0 mi) through geological processes. Most diamonds that have been dated are older than the first land plants, and are therefore older than coal. Neither "tin" foil nor "tin" cans still use tin as a primary material.

  3. Glossary of biology - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_biology

    This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...

  4. Geobiology - Wikipedia

    en.wikipedia.org/wiki/Geobiology

    The first life arose from abiotic chemical reactions. When this happened, how it happened, and even what planet it happened on are uncertain. However, life follows the rules of and arose from lifeless chemistry and physics. It is constrained by principles such as thermodynamics. This is an important concept in the field because it represents ...

  5. Coal - Wikipedia

    en.wikipedia.org/wiki/Coal

    Coal played an important role in industry in the 19th and 20th century. The predecessor of the European Union, the European Coal and Steel Community, was based on the trading of this commodity. [73] Coal continues to arrive on beaches around the world from both natural erosion of exposed coal seams and windswept spills from cargo ships.

  6. Life - Wikipedia

    en.wikipedia.org/wiki/Life

    The definition of life has long been a challenge for scientists and philosophers. [ 2 ] [ 3 ] [ 4 ] This is partially because life is a process, not a substance. [ 5 ] [ 6 ] [ 7 ] This is complicated by a lack of knowledge of the characteristics of living entities, if any, that may have developed outside Earth.

  7. Non-renewable resource - Wikipedia

    en.wikipedia.org/wiki/Non-renewable_resource

    A coal mine in Wyoming, United States. Coal, produced over millions of years, is a finite and non-renewable resource on a human time scale.. A non-renewable resource (also called a finite resource) is a natural resource that cannot be readily replaced by natural means at a pace quick enough to keep up with consumption. [1]

  8. Glossary of environmental science - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_environmental...

    froogle [7] [8] - a play on the word frugal; people who lead low-consumption life-styles: a person who is part of a new movement towards self-sufficiency and waste-reduction achieved by bartering goods and services especially through the internet, making their own products, soap, clothes, and breeding chickens and goats, growing their own food ...

  9. Carol Cleland - Wikipedia

    en.wikipedia.org/wiki/Carol_Cleland

    Carol Edith Cleland (born 1948) [1] is an American philosopher of science known for her work on the definition of life [2] and the shadow biosphere, [3] on the classification of minerals by their geological history, [4] on the distinction between historical and experimental approaches to science, [5] and on the Church–Turing thesis on theoretical limits to physical computation. [6]