love astronomy‚ because he was fascinated about all of the shapes the stars made‚ that his uncle called constellations. Amerigo thought about traveling about the Earth‚ but he thought it to be impossible‚ because he was tought in school that the equator was a ring of fire that made the waters boil there. Amerigo’s hopes of traveling the world were become more realistic over time. The first thing that sparked this was the invention of the caravel‚ a light‚ narrow‚ 60 to 70 foot boat. The Portuguese
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can inhibit vitamin D production." (Our Origins p. 139). Therefore‚ the more melanin an individual has‚ the more protection from the sun he has. So‚ at the equator‚ we tend to see people with darker skin because they are exposed to more sun than in other parts of the world. This demonstrates a strong correlation between distance from the equator and degree of skin color. In our book‚ it discusses how scientists have hypothesized how human ancestors migrated from Africa into northern latitudes. At these
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total size of the Australian deserts is 2.3 million square kilometre and it occupies 44% of the entire continental area. The formation of the Australian deserts has a rich and interesting past. Australia did not always lie on the southern part of the equator but after its formation it is supposed to have travelled to its north. The desert belts were created when hot air from the
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DAY Habitat and Geographic Location The Orcas can be found in all the world’s oceans. Their location ranges from the equator to both polar regions. Orcas inhabit deep ocean waters and coastal shallows. The northern and southern ranges are limited by pack ice. The orca stays in one area all year‚ and travels within its home range for prey. Some populations migrate toward the equator in the winter and back toward the poles in the summer. The orcas adapt well to any climate‚ however‚ coastal and cool
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WEATHER DISTURBANCES Storms are the most dangerous and most feared of all phenomena. There are three types of storms: tropical cyclones‚ thunderstorms and tornadoes. Typhoons or Hurricanes Typhoons are cyclonic storms that originate in certain areas of the tropics. They are found in all oceans except the South Atlantic. They are usually described as intense tropical disturbance characterized by a low-pressure area at the center. These disturbances originate over water. The most probable push for
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Mark Twain was an author‚ a riverboat pilot‚ journalist‚ lecturer‚ inventor‚ and entrepreneur ("Mark Twain Biography”). His full name is Samuel Langhorne Clemens. But his pen name is Mark Twain. He was born in Florida‚ Missouri on November 30‚ 1835. He died in Redding‚ Connecticut on April 21‚ 1910. He was the sixth of seven children of Jane and John Clemens. His siblings’ names were Orion‚ Henry‚ Pamela‚ Margaret‚ Benjamin‚ and Pleasant ("Mark Twain"). In 1870 he married Olivia Langdon ("Twain’s
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is being divided. _____ 5. The chromosomes become invisible. _____ 6. The chromosomes are located at the equator of the cell. _____ 7. The nuclear membrane begins to fade from view. _____ 8. The division (cleavage) furrow appears. _____ 9. The chromosomes are moving towards the poles of the cell. _____ 10. Chromatids line up along the equator. _____ 11. The spindle is formed. _____ 12. Chromosomes are not visible. _____ 13. Cytokinesis is completed
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As the rivers would flow the greater the farming and more crops were grown in this time with the soil being rich. Another reason for this is located. Depending on this was where they were located. Many were close to the equator‚ and some were far from it. As the closer to the equator you get land was
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Now a spindle forms‚ this is also made out of microtubules. [A labelled diagram of the end of the Prophase stage of a cell here would be great.] Metaphase --------------------------------------- During this stage the chromosomes move towards the equator of the spindle‚ attaching themselves horizontally by the centromere to the spindle’s filaments. The chromatids then pull slightly away from each other at the centromere towards the
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source of energy for most life on Earth F. Most organisms’ body __________heat___________ should stay within the range of 0°C to 50°C for survival. 1. Temperature is affected by ________latitude_________; areas closer to the equator are warmer than areas farther from the equator. 2. _________elevation_________—distance above sea level that affects temperature‚ wind‚ and soil G. Climate—an area’s average ______weather__________ conditions over time‚ including temperature‚ precipitation‚ and wind
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