Answer:the answer is D.
Explanation: Documentaries are examples of primary sources.
Answer:
Atlantic Ocean is the correct answer.
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This depends on the system, the kind of information they need, etc...
In the most democratic countries, government sites might prove most reliable. In other, independent journalists might be better. In a way, it's almost impossible to be sure your information isn't biased.... the best is if you know who wrote it and what their agenda is: if they news is left-wing and what they report is not very left-wing, then it's perhaps reliable.
Great use with dealing with the spirit world