Mars does not have water because of the extreme temperatures and the lack of an atmosphere. This makes it impossible for humans to live on without bringing their own sourc â¦ e of water. David Simpson
Ethnography is a qualitative orientation to research that emphasises the detailed observation of people in naturally occurring settings. The ethnographic approaches currently used in HCI clearly have their origins in social anthropology.
Ethnohistory is the study of cultures and indigenous customs by examining historical records. It is also the study of the history of various ethnic groups that may or may not exist today. Ethnohistory uses both historical and ethnographic data as its foundation.