radiation and broke down releasing chlorine and bromine into the ozone layer. The ozone layer is the earth’s ultraviolet shield. The chemistry is such that the chlorine and bromine attack the ozone‚ reducing it to ordinary oxygen which as no shielding effect from UV-B. The complex chemical reactions allow the chlorine and bromine to interact again and again with ozone molecules‚ until they eventually leave the ozone layer bonded to some other compound. Since the Montreal Protocol was developed to control
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vice versa. Therefore‚ hormone affects directly to gender roles. The second element in shaping gender role is the social factor. The psychologists believe that gender roles are affected by living environment like family‚ school‚ work‚ and so forth. Children are taught how they behave by their sex when they are young. For instance‚ young girls will play piano‚ dress up or with doll toys while young boys play with ball‚ gun‚ and
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Cause and effect essay Photography is an admirable hobby 2012/10/14 What hobby can record and influence one’s entire life? Photography can. In fact‚ photography is interesting enough to attract hobbyist across the ages. The reason for photography is an admirable hobby thanks to at least three dimensions‚ which are: it keeps memories in mind‚ changes the way how people observe world‚ and trains one’s patience. First of all‚ photography could help keep important memories in mind especially those
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SUBKINGDOM: PROTOZOA Phylum | SARCOMASTIGOPHORIA | APICOMPLEXIA | CILIPHORIA | Class | Class: LOBOZEA (amoeba)Species: ENTAMOEBA HISTOLITICA: * Only pathogenic parasite of this class * in large intestine * morphology: 1.trophozoite ; 2. Quadrinucleate cyst - 15 micrometers (smaller than 10 is ‘non-pathogenic’)‚ found in colon and feces‚ 4 nuclei * Life cycle: > parasite in caecum > mature cyst is swallowed > cyst hatches in intestine and quadrinucleated amoeba come
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Explain the causes of the Korean War The Korean War began in 1950 when Communist North Korea crossed the 38th parallel into Capitalist South Korea‚ however‚ it was not just an ordinary civil war‚ it involved 3 of the world’s biggest superpowers of the time‚ USA‚ China and Russia. Ultimately‚ their fight was indirectly played out in this small country. However‚ the main causes of the war can be debated. The cause of the war can be traced back to 1945 when the war ended and Korea was split between
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In Act Four Scene One Friar Lawrence explains the plan to Juliet‚ “ Take thou this vial‚ being then in bed‚ And this distillèd liquor drink thou off‚ When presently through all thy veins shall run A cold and drowsy humor‚ for no pulse Shall keep his native progress‚ but surcease. No warmth‚ no breath shall testify thou livest.The roses in thy lips and cheeks shall fade To paly ashes‚ thy eyes’ windows fall Like death when he shuts up the day of life. Each part‚ deprived of supple government‚ Shall
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Describe the characteristics and explain the causes‚ of tsunamis. (8 marks) A Tsunami is a large and potentially destructive sea wave often produced by a submarine earthquake‚ subsidence or an underwater volcanic eruption. They occur when a large volume of water is displaced in the ocean. The characteristics of tsunamis differ slightly from normal sea waves. For one‚ they often have extremely long wave lengths‚ in deep water an initial wavelength can be up to 100km. Their amplitude contrasts with
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Causes of Stress on a College Student College students experience a lot of stress because of different causes that affect their daily life. Here are some reasons on why college students are stressed. First‚ we have the stress caused by adapting to a new life. College students have a heavier workload compared to their high school life. It is also in this phase that we experience the letting loose of teachers and parents to college students that will result to their being more independent. In there
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What’s dead should be left to the grave. Frankenstein even admits to himself that he was scared when he realized he had brought life to the lifeless mesh of a body that lay on his table. “Frightful must it be‚ for supremely frightful would be the effect of any human endeavor to mock the stupendous mechanism of the Creator of the world (pg. 228).” He immediately regrets playing God when he realizes that what he has created was far from what he had hoped. When Doctor Frankenstein first stood in sight
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E7 B1 Role of the adult in Reggio Emilia Within the Reggio Emilia schools‚ the educators are very concerned about what their school environments teach children. Hence‚ a great attention is given to the look and feel of the classroom. It is often referring to the environment as the "third teacher". “Teachers organize environments rich in possibilities and provocations that invite the children to undertake extended exploration and problem solving‚ often in small groups‚ where cooperation and disputation
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