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• in the 1850s, chinese immigrants established chinatowns in cities mainly on the western coast of the united states. mainly on the eastern coast of the united states. primarily in the midwestern united states. primarily in the southern united states.
  
• sometimes hyphens are used to link words that work together to modify a single noun. these linked words are called
  
• to score in the 85th percentile at age 15 in the president's challenge, girls must __________. a. complete the shuttle run in 9.0 seconds b. run a mile in 8:08 c. complete 11 pull-ups d. perform 57 curl-ups in 60 seconds
  
• a new playground is in the shape of a square. on a scale drawing, the vertices of the playground’s coordinates are: , , , . how long is each side of the playground?
  
• variation of ecological habitats within a species is characteristic of which type of diversity? a. genetic diversity b. ecosystem diversity c. species diversity d. regional diversity
  
• a factor that most directly affects the demand for automobiles is the individual tastes and preferences of buyers. the cost of raw materials and natural resources. the availability of workers in automobile factories. a company's ability to respond to buyers' interest.
  
• irwin rode his bicycle from one end of a trail to another and back at a speed of 20 miles per hour. if the trail is 4 miles long, for how many hours was irwin riding?
  
• a person can detect a single drop of perfume diffused in an area the size of a one-bedroom apartment. this is a(n) _____ threshold.
  
• a scientist decides to study the effect of salt on a particular type of bacteria. arrange the steps of the scientific method in the correct order to show how the scientist would proceed with his work. the scientist asks the question, does salt help the growth of these bacteria? the scientist puts the bacteria in three different environments: high salt, medium salt, and low salt. a microbiologist notices that some bacterial species thrive in salt water environments. the scientist forms a hypothesis that higher concentrations of salt may increase the growth of these types of bacteria. the scientist publishes his report in a scientific journal. the scientist finds that the high-salt environment has the most bacteria.
  
• complete the following sentence with adjectives. the __________ monster looked very __________ and __________.