well biological could be your well mainly your looks how tall how short think physical sameness
the motive could be like smoking you think its cool cause your parent do it maybe
I think the correct answer is C. An investigation is a type of research that involves observation and collection of data but it does not include a control. In an investigation, all data and information that is related to the subject matter are collected it does not think of any factors that may affect the subject.
:/ uuuuuum i dont know lol
