My best guess would be A. knowing how to dissect a test and it’s questions
All members of our school family play an important role in student success.
Your answer will be It used convey because convey means to carry or transport and it uses that.¨And run with them to my heart¨.
Historical acc i think i’m not sure...sorry if i’m wrong
This website has information on forms of Human observation to be pretty broad. It doesn't have anything specific with Bolivian villagers or there looms.
http://www.psychologydiscussion.net/behaviour/7-methods-of-studying-human-behaviour/540