johnandlayla62p722s9 johnandlayla62p722s9
  • 26-04-2018
  • Biology
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A/an _ is a style of research that involves observation and collecting data but not include a control

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brabro542
brabro542 brabro542
  • 26-04-2018
the answer is A this was a hard question 
A: An Investigation is a type of research that involves observation and collecting data but does not include a control.
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