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• dr. perez is part of a team of researchers who are working on designing and building a probe to study solar flares. what condition must the probe meet? it must be able to travel over 300,000,000 km to reach the sun. it must be able to withstand a temperature of up to 20 million degrees celsius. it must be able to penetrate to the core since solar flares originate there. it must be able to remain in the sun for at least eleven years.
  
• look at the chemical reaction below. ammonium hydroxide → ammonia + water nh4oh → nh3 + h2o in this reaction: ammonia (nh3) is a ammonium hydroxide (nh4oh) is a
  
• which phrase describes air pressure? decreases with denser air decreases as altitude decreases equals mass divided by volume decreases as a result of fewer air particles pushing down
  
• which of these transcendentalist writings had the most direct influence on african american activists in the 1950s and 1960s? ""ambition"" ""orphic sayings"" ""woman in the nineteenth century"" ""two rivers
  
• i tell you it is within the realm of possibility that this seventy-eighth congress may have the historic privilege of helping greatly to save the world from future fear. therefore, let us all have confidence, let us redouble our efforts. –state of the union address, 1943, franklin d. roosevelt what is the effect of the repeated phrase “let us”? what is the effect of the phrase “historic privilege”?
  
• last year lenny had an annual earned income of $58,475. he also had passive income of $1,255, and capital gains of $2,350. what was lenny’s total gross income for the year? a. $58,475 b. $59,730 c. $60,985 d. $62,080
  
• robin’s grandmother is 7 times older than him. in 12 years, she will be 3 times as old as him. how old is robin?
  
• if you decide to get married, a trade-off would be that you have to give up being single.
  
• a technician has successfully removed malware from a pc and finds that when the system is rebooted error messages are displayed about missing and corrupt system files. what utility can the technician use to replace or fix any corrupted system files?
  
• which statement is false? a. a monopoly sells lower-quality products at higher prices than in a perfect competition. b. natural monopolies are necessary to avoid wasteful duplication of resources. c. the start-up costs in a monopolistically competitive industry are high. d. homogeneous products leave consumers with no choice.