Biology Forums - Study Force

Consider the three statements shown below. How many of these statements correctly describe the contribution of secondary research to a planned primary research study?

   -    Secondary research can answer some of the questions originally
      addressed in the primary research study, making the explorations of
      these areas unnecessary.
   -    Secondary research can identify new areas to explore.
   -    Secondary research can cause a change in the primary research study's
      hypotheses.
A) 0
B) 1
C) 2
D) 3

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Good luck answering the rest :)