____ 7. If the period of a certain wave (wavelength = 4.5 m) is 2 seconds‚ what is the speed of the wave? a. 0.44 m/s c. 9.0 m/s b. 1.1 m/s d. 2.3 m/s ____ 8. Tapping the surface of a pan of water generates 17.5 waves per second. If the wavelength of each wave is 45 cm‚ what is the speed of the waves? a. 7.9 m/s c. 39 m/s b. 790 m/s d. 2.6 m/s ____ 9. Which characteristic of sound is associated with frequency? a. pitch c. pressure b. loudness d. timbre
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UEES | Krashen´s Theory | Theory of Second Language Acquisition | | Gisella Coka | 13/01/2012 | "Language acquisition does not require extensive use of conscious grammatical rules‚ and does not require tedious drill." Stephen Krashen | This paper is going to talk about Krashen’s theory of second language acquisition‚ which has had a large impact in all areas of second language research and teaching since the 1980s. There are 5 keys hypotheses about second language acquisition in
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Why did the drastic change in American cars between the 50’s and the 60’s come about? INTRO Brit Spears offered the following reflection on the significance of the 1964 Ford Mustang in Wired magazine“The two Ford execs saw a vast market literally rolling before their eyes‚ and‚ according to legend‚ the notion of a sports car with a back seat was one of those ‘ah-hah’ moments.”[i]The 1964 Ford Mustang was a ground breaking design in automotive
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Living in the 1700’s Living in the 1700’s was harder than living today‚People could die simply from a head cold. If people were deciding what to wear‚ they would have to think about their role. They would also have to think about the colors they wore because it mattered. Life was rough due to lack of technology and medicines. For the puritans (a group of people who wanted to “purify” the church of england from its catholic practices) there was a list of clothing they needed depending on what their
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Education in the 1930’s Envision going to a school based off of skin color or not being able to attend school because there wasn’t enough money . Public education in the 1930’s was treacherous. With money being so scarce‚ some parents were unable to provide their children with the books‚ clothes‚ and supplies needed to attend school. Although school boards were forced to try many methods to keep their district running‚ many school had to shut down due to lack of money. Often the school terms would
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site. However‚ there is also the opportunity to read a more detailed description about the different products and possibilities. which is good because‚ most people buying the products that babysam offers are consideration buys‚ so in this age where it´s easy to compare prices and get information‚ sites needs to offer the long definition aswell as the short and to the point. Consideration: We think that BabySam understands their costumers well‚ because the offer all the care and guidance. We can conclude
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idea of “change” was most likely coming second to a lot of people. Many families just wanted their old lives back‚ the ones that were before the wars. That I believe held many people to be complacent at the end of the 1940’s and throughout the 1950’s. However‚ in the 1960’s and 1970’s a new generation had emerged. One
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The 1950s was the decade that defined America after the second world war. The 50s birthed many of mankind’s greatest technological feats that still shine through today. One of the biggest political and social battles also took place in the decade. As the 1950s is important‚ it is paramount to know what makes it one of the greatest times of our history. Because of the wartime production boom of the 1940s‚ many scientific achievements and milestones were reached. Such advancements gave Americans a
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Renato Corona`s Impeachment Trial What comes to your mind when you heard the word “Chief Justice”? Equal Conviction ‚neutral‚ eloquent‚ reverent‚ brave‚ and most of all Judges of any court or position are expected to be one of high caliber‚ honest‚ accurate and does not attach personnel emotion to a case‚ isn’t it? But now what will be our reaction if the chief justice we are recognizing is in judgement? Our Chief Justice Renato Corona is in very severe issue nowadays. Because of the issue
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extreme lengths just to get their hands on alcohol. The illegal production and sale of liquor‚ the proliferation of speakeasies‚ and the rise in gang violence and other crimes went way up. This led to waning support for Prohibition at the end of the 1920’s. Both federal‚ and local government struggled to enforce Prohibition. The enforcement of alcohol was initially assigned to the IRS‚ and was later transferred to the Justice Department. In general‚ Prohibition was enforced much more
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