Answer:
Qualitative research
Explanation:
Qualitative research is a type of research method that involves the collection and evaluation of qualitative data, which are non-numerical. This type of research is naturalistic, which involves having a real standing of things the way they are naturally, in order to have a deep understanding.
Using of open ended questions would make consumers choose their own words, and enable the manufacturer to understand the consumers first impression better.
White blood cell, red blood cell, and plasma
If you are asking for a True or False answer the answer is False.
No because some birth control methods can have serious problems associated with them