Answer:
I dont know haha sorry ask easy questions
Yes it is from the french
Answer:
A natural disaster is a major adverse event resulting from natural processes of the Earth; examples include firestorms, duststorms, floods, hurricanes, tornadoes, volcanic eruptions, earthquakes, tsunamis, storms, and other geologic processes. A natural disaster can cause loss of life or damage property,[1] and typically leaves some economic damage in its wake, the severity of which depends on the affected population's resilience and on the infrastructure available.
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