and transparent (sodium chloride)‚ opaque‚ and even metallic and lustrous (iron disulfide). In many cases the apparent opacity or transparency are only related to the difference in size of the individual monocrystals. Now examples of using salts in our daily life with some description. Colors in fireworks are usually generated by pyrotechnic stars—usually just called stars—which produce intense light when ignited. Stars contain five basic types of ingredients. A fuel which allows the star to burn An
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Daily life in ancient Egypt revolved around the Nile and the fertile land along its banks. The yearly flooding of the Nile enriched the soil and brought good harvests and wealth to the land. These days we use most of their daily life. Three most important things in Egyptian daily life were papyrus and writing‚ food and cookery‚ and cylinder seals. One of the important things in Egyptian daily life was papyrus and writing. Paper is made from the papyrus plant by separating it with a needlepoint
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Daily Life There are a variety of common courtesies that Americans should observe when in Mexico. Some of the important issues of cultural etiquette are described herein. When in Mexico Americans should refrain from calling themselves "Americans." Mexicans consider themselves Americans too since the whole continent is called America. Another part of Mexican culture that may be shocking to American’s traveling there is the way machismo is verbalized by male members of Mexican society. Making sexual
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Chapter 1 The Probability in Everyday Life In This Chapter Recognizing the prevalence and impact of probability in your everyday life Taking different approaches to finding probabilities Steering clear of common probability misconceptions You’ve heard it‚ thought it‚ and said it before: “What are the odds of that happening?” Someone wins the lottery not once‚ but twice. You accidentally run into a friend you haven’t seen since high school during a vacation in Florida. A cop pulls you over the
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What I usually do everyday I usually get up at six o’clock in the morning. First‚ I run around the playground near my home with my brothers. As soon as I reach home‚ I take a bath and change my school uniform. Then‚ I have my breakfast‚ and gather my books according to time-table. I take my bag and my lunch box and go out from home and wait a minute school ferry. Finally‚ leave for school. My school starts at 9:00 am. I am usually in time for my class. My class teacher ever eulogizes
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Geometry (Ancient Greek: γεωμετρία; geo- "earth"‚ -metron "measurement") is a branch of mathematics concerned with questions of shape‚ size‚ relative position of figures‚ and the properties of space. A mathematician who works in the field of geometry is called a geometer. Geometry arose independently in a number of early cultures as a body of practical knowledge concerning lengths‚ areas‚ and volumes‚ with elements of a formal mathematical science emerging in the West as early as Thales (6th Century
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Many Kids Called Unfit for Adult Trial: Those under 15 often blind to the long-term results of their choices‚ a study says. By Greg Krikorian Published: March 3‚ 2003 in the Sacramento Bee Thousands of juveniles tried as adults in the United States may be incompetent to stand trial because they are emotionally or intellectually unable to contribute to their own defense‚ according to a juvenile-justice study to be released today. The study‚ directed by a University of Massachusetts professor
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II PUC – CHEMISTRY (34) MODEL QUESTION PAPER - 1 Time: 3hours 15 minutes Maximum marks: 70 Instructions: 1. The question paper has four parts: A‚ B‚ C and D. All parts are compulsory. 2. Write balanced chemical equations and draw labeled diagrams wherever required. 3. Use log tables and the simple calculator if necessary. (Use of scientific calculators is not allowed) PART-A I. Answer ALL of the following. (Each question carries 1 mark) 10x1=10 (Answer each question in one word or
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knots‚ but it is capable of attaining 20 knots in short bursts. The maximum reported depth reached by the species is 194 fathoms. It is capable of remaining submerged beneath the surface for 50 minutes‚ although 10 to 15 minutes is more typical. The life span of a blue whale is about 30 years. The calves measure 7 m at birth and weigh about 2 tons. By the time they are a year old‚ the youngsters measure 18 m. Blue whales comprised about 90 percent of the whaling industry’s total catch during the
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of the presence of a chemical called adenosine‚ in your brain. It binds to certain receptors and slows the nerve cell activity when sleep is signaled. 5. Anaerobic fermentation is also a great concept which is present in the chemistry of everyday life. It is present in yogurt‚ breads‚ cakes and many other baking products. It is the multiplication of certain useful bacteria which increase the size of the food and make it more filling and soft. 6. Soap is formed by molecules with a "head" which likes
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