I think maybe there were some options that you didn't copy?
Else I can say that a letter written at the time of a historical event would be a primary source - as opposed to a secondary source which is written well after the relevant event.
One cannot time travel, time traveling is a myth.
Answer:
De-salted water comes from Glaciers, Underground Aquifiera, and Lakes/Rivers.
Explanation:
Where does it first come from? Well, de-salted water first comes from Underground Aquifers. Since the water from a River comes from the Ocean you'd think I'd be salty right? Well, it is, the Underground water helps freshen the water up.
The thought processes we use to assign causes to our own behavior and that of others are called "<span>attribution".
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Individuals are encouraged to assign sources to their activities and behaviors. In social psychology, attribution is the procedure by which people clarify the reasons for conduct and occasions. The improvement of models to clarify these procedures is called attribution theory.