Flossing, brushing twice a day and stuff
Answer:
Professional but inquisitive
Explananation:
Diane wants to do business with them but she doesn't want to come across as desperate s she acts professional but still acts her if they want to do business with her.
Answer:
A longitudinal study
Explanation:
A longitudinal study can be used to discover relationships between variables that are not related to various background variables. This observational research technique involves studying the same group of individuals over an extended period.