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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
It is independent because it expresses a complete tought.
Answer:
"The water rises and the band plays ragtime", and "Stewards finish waking their passengers below; life preservers are tied on; some men smile at the precaution"
Explanation:
Options A and D are correct, I hope this helps you :)
Answer:
are you referring to research or what information