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• melodies for many chinese folk songs and ballads were composed on the basis of speech tone. every mandarin chinese character has an assigned tone. in all, mandarin chinese has:
  
• which of the following is not one of the major physical regions of australia? a. the western plateau b. the eastern highlands c. the canterbury plains d. the central lowlands
  
• what is the volume of a hemisphere with a diameter of 54.8 in, rounded to the nearest tenth of a cubic inch?
  
• a 15-foot flagpole leans slightly, such that it makes an 80° angle with the ground. the shadow of the flagpole is 10 feet long when the sun has an unknown angle of elevation. how could the angle of elevation of the sun, x, be determined?
  
• which word best complete this conversation? roberto: eric, ¿qué actividad te gusta hacer? eric: tengo una bicicleta. hago _____________ porque me gusta mucho. a. montañismo b. ciclismo c. senderismo d. caminata
  
• which is a characteristic of popular culture? quick to change its commonalities.. defined by region or location. practiced by a homogeneous group of people. defined by existing within the dominant culture.
  
• which function represents the following graph? on a coordinate plane, a cubic function has an inflection point at (negative 3, 3) and crosses the x-axis at (0, 4.5).
  
• rustafson corporation is a diversified manufacturer of consumer goods. the company's activity-based costing system has the following seven activity cost pools:
  
• which best describes the ovary? it produces progesterone. it is the organ in which a fertilized egg grows. it produces testosterone. it is the location for egg fertilization.
  
• why do buffer systems use either a weak acid or a weak base? weak acids and weak bases do not react easily. weak acids and weak bases are partially dissociated. weak acids and weak bases are unaffected by temperature. weak acids and weak bases are found in abundance on the earth.