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Oxford World Atlas Pdf

How does one review a general reference tome like the. Oxford Atlas of the World ? A thematic atlas has a declared focus addressing an identified need, and one. In order to further improve the competitive examination, today we have brought Oxford School Atlas Pdf in the PDF. where questions are often. The Oxford Student Atlas for India uses the latest state-of-the-art techniques to oxford school atlas pdf free download; oxford atlas 34th edition pdf; oxford.

Full of crisp, clear cartography of urban areas and virtually uninhabited landscapes around the globe, the Atlas of the World is filled with maps of cities and regions at carefully selected scales that give a striking view of the Earths surface. Opening with world statistics and a colorful, instructive page Introduction to World Geography; beautifully illustrated with tables and graphs; this acclaimed resource provides details on numerous topics of geographic significance such as climate change, food and water supply, biodiversity, energy, global conflict, and landforms. This milestone 20th edition includes a new six-page opening section on The Future of The Oceans, a new spread on food production as part of the Will the World Run Out of Food? Country descriptions have been updated to reflect the latest developments around the world, and existing maps now depict dozens more man-made and natural features, such as the Santa Maria volcano in Guatemala and a major new container port in Brazil. New inset maps of Hainan province in China and the United Arab Emirates colored for political boundaries offer expanded coverage of these regions. The biggest change has been the steady digitization of all the map content.

The Sun is one of more than billion stars in the Home Galaxy alone. Our Galaxy, in turn, forms part of a local group consisting of approximately 30 similar structures, mostly small dwarf galaxies but a few large ones, and one the Andromeda Galaxy larger than our own. There are at least billion galaxies in the Universe, many of which are members of huge galaxy clusters. The duration of this hydrogenburning period known as the main sequence depends on the stars mass; the greater the mass, the higher the core temperatures and the sooner the stars supply of hydrogen is exhausted.

Dim, dwarf stars consume their hydrogen slowly, eking it out over billions of years. The Sun, like other stars of its mass, should spend about 10 billion years on the main sequence; since it was formed less than 5 billion years ago, it still has half its life left.

Once all of a stars core hydrogen has been fused into helium, nuclear activity moves outward into layers of unconsumed hydrogen. For a time, energy production sharply increases: the star grows hotter and expands enormously, turning into a so-called red giant.

Its energy output will increase a thousandfold, and it will swell to a hundred times its former diameter. After a few hundred million years, helium in the core will become sufficiently compressed to initiate a new cycle of nuclear fusion: from helium to carbon.

The star will contract somewhat, before beginning its last expansion, in the Suns case engulfing the Earth and perhaps Mars. In this bloated condition, the Suns outer layers will break off into space, leaving a tiny inner core, mainly of carbon, that shrinks progressively under its own gravity. The white dwarf star thus formed can attain a density more than 10, times that of normal matter, with crushing surface gravity to match.

Gradually, the nuclear fires will die down, and the Sun will reach its terminal stage: a black dwarf, emitting insignificant amounts of energy. Black holes However, stars more massive than the Sun may undergo a different transformation.

The additional mass allows gravitational collapse to continue indefinitely: eventually, all the stars remaining matter shrinks to a point, and its density approaches infinity a state that will not permit even subatomic structures to survive. The star has become a black hole: an anomalous singularity in the fabric of space and time.

Once all of a stars core hydrogen has been fused into helium, nuclear activity moves outward into layers of unconsumed hydrogen.

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For a time, energy production sharply increases: the star grows hotter and expands enormously, turning into a so-called red giant. Its energy output will increase a thousandfold, and it will swell to a hundred times its former diameter. After a few hundred million years, helium in the core will become sufficiently compressed to initiate a new cycle of nuclear fusion: from helium to carbon. The star will contract somewhat, before beginning its last expansion, in the Suns case engulfing the Earth and perhaps Mars.

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In this bloated condition, the Suns outer layers will break off into space, leaving a tiny inner core, mainly of carbon, that shrinks progressively under its own gravity. The white dwarf star thus formed can attain a density more than 10, times that of normal matter, with crushing surface gravity to match.

Gradually, the nuclear fires will die down, and the Sun will reach its terminal stage: a black dwarf, emitting insignificant amounts of energy. Black holes However, stars more massive than the Sun may undergo a different transformation. The additional mass allows gravitational collapse to continue indefinitely: eventually, all the stars remaining matter shrinks to a point, and its density approaches infinity a state that will not permit even subatomic structures to survive.

The star has become a black hole: an anomalous singularity in the fabric of space and time. Although vast coruscations of radiation will be emitted by any matter falling into its grasp, the singularity itself has an escape velocity that exceeds the speed of light, and nothing can ever be released from it.

Within the boundaries of the black hole, the laws of physics are suspended. The center is invisible from the Earth, masked by vast, light-absorbing clouds of interstellar dust. The Galaxy is probably around 12 billion years old and, like other spiral galaxies, has three distinct regions. The central bulge is about 30, light-years in diameter.

The disk in which the Sun is located is not much more than 1, light-years thick, but approximately , light-years from end to end. Women in National parliaments, Situation as of 30 Nov Includes: appointed prime ministers in a democratic presidential system, heads of governments attempting the transition to democracy Bolivia —80, Lithuania —91, Liberia —97, Kyrgyzstan — State-sponsored Homophobia: A world survey of laws criminalising same-sex sexual acts between consenting adults.

IGLA, Legal Gay Marriage: Gay marriage laws by state and country. The Spirit Level: Why equality is better for everyone. International Institute of Strategic Studies London briefing. Nov Food price crisis feared as erratic weather wreaks havoc on crops. Millennium Development Goals Indicators. Crop prospects and food situation, No. Food aid takes off in Athens.

Greek homeless shelters take in casualties of debt crisis. The food crisis strikes again. Global prevalence of vitamin A deficiency in populations at risk Media Centre. Fact sheet No. Global Health Observatory Data Repository. WHO, Data and Statistics. Obesity rates among all children in the United States.

July Cigarette consumption. Inset 2: World cigarette consumption, by region, The Tobacco Atlas, 3rd Edition. Atlanta, Georgia: American Cancer Society, Tables 2.

Appendix VII. The Emperor of All Maladies. A biography of cancer. Goal 4. Progress Report Data tables Updated for developments as of June Geneva: World Health Organization, Mental health: Strengthening our response.

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Suicide rates; Someone commits suicide… Suicide rates per , by country, year and sex Table. DALY rates. World Disasters Report, Annex: Table 13 www. Weird weather around the world sees in The Guardian. Aedes albopictus. The range margins of northern birds shift polewards. Fennici 41 : — Breeding distributions of north American bird species moving north as a result of climate change.

Climate change is driving poleward shifts in the distributions of species. Cited by BirdLife www. Poleward shifts in winter ranges of North American birds. Ecology 88 : — Parmesan C et al. Poleward shifts in geographical ranges of butterfly species associated with regional warming. Nature, Birds extend their ranges northwards. Nature : Coral bleaching Brokaw, T. Global warming: Signs and sources. Extinction rates.

Fires in Russia Wildfires in Russia more rampant in , spread over east. RIA Novotsi.

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Russian forests burn for second successive year. Guardian Weekly. Pakistan floods: The deluge of disaster. Pakistan floods. BBC News. Melting permafrost in Alaska Romanovsky VE. How rapidly is permafrost changing and what are the impacts of these changes? Hurricane power dissipation index. Nutrient runoff creates dead zone.

World Resources Institute, Jan. Spreading dead zones and consequences for marine ecosystems. Science : Ocean dead zones.

Antarctic Peninsula: rapid warming. Marine pelagic ecosystems: The West Antarctic Peninsula.

Philosophical Transactions of the Royal Society. B-Biological Sciences : The Moscow Times. From Cairo to the Cape, climate change begins to take hold of Africa. The Guardian 01 Dec www. The great leap backward? Council on Foreign Relations. A brief history of the disposable diaper. Renewables Global Status Report.

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