It may not exactly be a primary source because it's not exactly like, for example, research paper. Research paper has been reviewed by many peers and has been tested to see if it's all true, so you can put more reliability on it.
A blog is just put up on the Internet without peer review or anything. It's raw and nobody knows what's true and what's not.
An obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English <span>lan-guage. Hope i helped </span>
The correct answer is B. I took the test and D was wrong
The error in this sentence is a A) pronoun-antecedent voice agreement error. But it should be noted that this has become more standard usage in common dialogue.
