A time zone is a region of the globe that observes a uniform standard time for legal, commercial and social purposes.
In the phase where you would be calculating the average measurements among your data you would most likely be in the analysis phase (D). In this phase you would be analyzing the observations that you have gathered through your controlled experiment to determine the validity of your hypothesis which you sought to investigate before conducting the experiment.
Answer:
yes!! get her a gift if you can. even if you cant make sure to show her that you care and make it the best day you can got her. if she doesn't have a handbag or think she needs one I suggest you get that one. also a vase would be cute but you should try to get one that is special to her.