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• which property of a substance can be determined using a ph indicator? a. acidity b. boiling point c. density d. electrical conductivity e. thermal conductivity
  
• the greatest accomplishment of philip ii of spain was to invade and occupy england. end taxation in his kingdom. preside over the growth of a large empire. spread the teachings of the reformation.
  
• who established islamic law in africa? a the songhais b the ghanians c the mali people d the swahili people
  
• what was one benefit of the transcontinental railroad? made cross-country travel times longer eliminated many risks of traveling cross-country decreased trade with asia
  
• two office buildings are 300 feet apart. the taller building is 800 feet tall. the angle of depression from the observation deck (top) of the taller building to the top of the shorter building is 15 degrees. how tall is the shorter building?
  
• which of the following statements best describes the lend-lease program initiated by the united states during the early part of world war ii?
  
• rex is currently taking physics as one of his electives in school. his grade at the end of the year is determined by the average of four exams, each worth 100 points. on his first test he got an 84, on his second he got a 86, and on his third an 92. what must he score on his fourth exam to get an a (90%) in the course? a. 98 b. 90 c. 88 d. 86
  
• alice notices that her e-mail has been hacked, and she is worried that someone may have access to her passwords for several social networking sites. what should alice do to help prevent this from happening again? change her home address change her phone number report the incident to police create new accounts
  
• a similarity between henry viii and martin luther was that both formed new denominations that spread throughout europe. were european monarchs who opposed the catholic church. were religious leaders who tried to change the catholic church. were excommunicated from the catholic church for their actions.
  
• the waves used by a microwave oven to cook food have a frequency of 2.45 gigahertz