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• a large fraction of the ultraviolet (uv) radiation coming from the sun is absorbed by the atmosphere. the main uv absorber in our atmosphere is ozone, o3 . in particular, ozone absorbs radiation with frequencies around 9.38×1014 hz . what is the wavelength λ of the radiation absorbed by ozone? express your answer in nanometers.
  
• highlight clues that signal the reader should change tone. laura tried to calm her down. ""just remember how mister lincoln couldn't think of anything to say at the gettysburg, but then, bang! four score and once upon a time ago,"" she began reciting. ""something is going to come if you just relax. you'll see, like the americans say, necessity is the daughter of invention. i'll help you."" –""daughter of invention,"" julia alvarez what is the tone of the first line of dialogue until “gettysburg”? which type of clue helps the reader understand how to read the word “bang”? which tone is best for reading the word “bang”? which words should be read with a formal tone?
  
• which is true about the completely simplified difference of the polynomials a3b + 9a2b2 − 4ab5 and a3b − 3a2b2 + ab5? the difference is a binomial with a degree of 5. the difference is a binomial with a degree of 6. the difference is a trinomial with a degree of 5. the difference is a trinomial with a degree of 6.
  
• when you assist the dentist in taking a final impression, you must always obtain a bite registration as well. explain why the dental laboratory technician needs a reproduction of the opposing arch for designing an indirect restoration.
  
• which of the following statements best describes the relationship between culture and the environment? a. culture and the environment are unrelated. b. cultures and environments influence one another. c. cultures do not change environments. d. environments cannot influence culture.
  
• a __________ is a survey that focuses on only a small portion of the population, and the results are generalized for the larger population. a. sample b. questionnaire c. census d. tally
  
• ian walks into a depository institution and says he wants to open an account. he asks for details about the institution. the employee tells ian that they offer many services such as checking and savings accounts, mortgages, personal loans, and debit cards. ian asks if this institution is a non-profit, and the employee tells him that they are a for-profit organization. which type of institution is ian considering for his account?
  
• a risk factor can be defined as anything that increases the likelihood of injury or disease. please select the best answer from the choices provided.tf
  
• a warning sign that a credit counseling agency may not be legitimate is when they promise to _____.a.work with creditors to come up with a reasonable payment plan for paying off debtb.help lower the monthly payments you must make to your creditorsc.pay off your debts by lowering the interest rate that you pay on themd.settle your debts without it hurting your credit rating please select the best answer from the choices providedabcd
  
• strong swimmers do not need to restrict themselves to swimming in areas patrolled by lifeguards. please select the best answer from the choices provided. t f