Answer book : fast facts about our world by National Geographic

By National Geographic

A multifaceted reference booklet for the twenty first century, the reply e-book will fascinate with updated, authoritative, and forever fascinating information regarding the area this present day. From earth sciences to astronomy, from weather and habitats to human arts and cultures, from old historical past to state-of-the-art know-how, and together with short descriptions, flags, and information of all of the nations of the area, it grants precisely the form of quick-dip info that sleek readers crave. Maps, charts, diagrams, graphs, images, illustrations—some six hundred photos in all—combine with countless numbers of quick evidence and brief items at the humans, locations, natural world, climate, historical past, and present occasions that subject in our global at the present time. nationwide Geographic resolution publication is an important reference for faculty, a convenient source on the place of work, and a wonderful pick-up-and browse significant other at domestic.

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In crossing the line in the opposite direction, from east to west, the date reverts by one day. In reality, however, a number of situations cause adjustments to the international date line. Political frontiers, such as Russia's Kamchatka Peninsula, push out the line to keep a nation's terri- tory intact, datewise. Similarly, the line takes detours to keep together all islands in some Pacific Ocean groups. These local modifications move the international date line off the 1800 meridian for much of its length.

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4 of an inch. ":OR MORE'"ACTS ON SPACE TELESCOPES TODAY see Observation: Modern Methods. CHAPTER 2, PAGES 70-1 + METHODS FOR GATHERING INFORMATION ABOUT THE WEATHER see Weather: Predictions. n Z « There are other sorts of dividing artographers need lines of reference to locate places on maps. Their reference system, which originated with the ancient Greeks, uses a grid of lines known as latitude (parallels) and longitude (meridians), with distances between them measured in degrees of a circle. Latitude measures angular distance graphical or cultural boundaries; they are a complex artifact of territorial north and south of the Equator, which is assigned 0 0 latitude.

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