Which is a primary source?

a. a new book about the people of ancient china
b. data on weather and climate
c. an article in a current encyclopedia
d. a journal entry from a young bride traveling west

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A primary source is from someone or something that was the firsthand that witnessed it so i believe the answer is D

A primary source is a document, speech, or other sort of evidence written, created or otherwise produced during the time under study. Primary sources offer an inside view of a particular event. Examples include:

Original documents: autobiographies, diaries, e-mail, interviews, letters, minutes, news film footage, official records, photographs, raw research data, speeches

Creative works: art, drama, films, music, novels, poetry

Relics or artifacts: buildings, clothing, DNA, furniture, jewelry, pottery

Examples of primary sources:

Plato's Republic - women in ancient Greece
The Declaration of Independence - U. S. history
African-American Poetry (1750-1900) – U. S. history & literature
Diary of Anne Frank - experiences of Jews in World War II
film footage of the assassination of President J. F. Kennedy
National Security Data Archives – U. S. history ~ declassified documents

So basically, now you have the background data! So your answer choice would be D)! Because, that would be written in 1st person, and would not have a big chance of being well known. Hope this helps If you are a girl, and love dance, please visit my profile LOVE YOU!!! LOL