Sir Alexander Fleming‚ FRSE‚ FRS‚ FRCS(Eng) (6 August 1881 – 11 March 1955) was a Scottish biologist‚ pharmacologist and botanist. He wrote many articles on bacteriology‚ immunology‚ and chemotherapy. His best-known discoveries are the enzyme lysozyme in 1923 and the antibiotic substance penicillin from the mould Penicillium notatum in 1928‚ for which he shared the Nobel Prize in Physiology or Medicine in 1945 with Howard Florey and Ernst Boris Chain.[1] In 1999‚ Time magazine named Fleming one
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The Little Prince by Antoine De Saint-Exupery I. Introduction The Little Prince was first published in 1943. It is a novel and the most famous work of the French aristocrat‚ writer and poet Antoine de Saint-Exupéry. The novel is the most read and most translated book in the French language‚ and was voted the best book of the 20th century in France. The Little Prince is also an indictment of the spiritual decay Saint-Exupéry perceived in humanity. Some of the story of The Little Prince uses events
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For millions of years‚ some animals have been dying out and other species have been appearing. The animals that died out‚ like the dinosaurs‚ may have done so because of sudden changes in the world’s climate‚ or because other species appeared that could hunt them or beat them in the competition for food. Tigers are among the animals that are endangered in Asia. The tiger is native to Asia from the Caucasus and the Caspian Sea to Siberia in the north and Indonesia and even in Borneo and the Philippines
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Name_______________________________________Period______Date_________________________ Unit 3 and Unit 4 Quiz 1.How is weight calculated? __mxg_________ Would your weight be the same on earth as it is on the moon? __no____ 2.What units do we measure mass in? ____kg_________ Would your mass be the same on earth as it is on the moon? __no______ 3. Label the forces shown in the free-body diagram above. 5800N friction‚ 775N applied force‚ 14700 N gravity‚ 13690 N normal
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Mexico: The Yucatán Peninsula The Yucatán Peninsula is located in southeastern Mexico‚ which separates the Caribbean Sea from the Gulf of Mexico‚ on the northern coastline on the Yucatán Channel. The Yucatán Peninsula lies east of the Isthmus of Tehuantepec‚ a northwestern geographic divider separating the region of Central America from the rest of North America. The Yucatán Peninsula comprises of the Mexican states of Yucatán‚ Campeche‚ and Quintana Roo; the northern part Belize; and Guatemala’s
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The concept of extraterrestrial life is a controversial subject. People either agree with the opinion that aliens are real‚ while others argue that the idea of alien life is incorrect. Some take the concept of believing overboard‚ and others try to justify their disbelief by stating that most who believe are conspiracy theorists. Are aliens real‚ though? Since the universe is so expansive‚ why wouldn’t they exist? 6EQUJ5‚ also known as the Wow! signal‚ could have potentially come from extraterrestrial
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sounds. This is the cause of the straightening of the spine which allows the neck to follow for them to be able to speak. Summary One hundred million years ago‚ dinosaurs walked the earth. They no longer exist today because of the asteroids that hit their home and eventually killed all of them. The earth‚ after some time‚ regained its life forces because some small creatures that got through the great tragedy that put an end to the era of the dinosaurs. One of those creatures that survived
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flowed on the surface of Mars. Continuing changes is an accomplishment in modern American technology and it gives the world a step forward in finding the real truth about existing life on Mars. Hurtling in from space some 16 million years ago‚ a giant asteroid slammed into the surface of Mars and exploded with more power than a million hydrogen bombs. This caused huge quantities of rock and soil to fly into the thin Mars’ atmosphere. While most of the rocks fell back to the surface‚ some of the debris
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History Reviewer Unit I History- is the study of human past. - Study of origins‚ beginnings‚ changes in the humans and the environment in which they lived Lesson 1 The Origin of the Earth 18th century- 1700-1799 James Hutton- geologist who asserted that the Earth is in existence for quite a long period of time. Geologists- study the Earth‚ the Earth’s crust‚ rocks‚ as well as plant and animal remains. Geologic time scale- formulation of various events that transpired million
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uncertain whether all natural evils are the sums of moral evils. Questioning E2 requires us to find out at least one natural evil that has nothing to do with human actions. This is more difficult than it looks. Even a natural evil such as hit by an asteroids could be attributed to lack of preparation‚ insufficient technology‚ etc… So‚ I’ll lay this question aside and focus on F1. F1 claims that “sums” and “parts” should have the same properties. This is incorrect. For example: In quantum physic‚ it
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