Several ways you can determine the validity is
1.) The author and his credentials.
2.) Sources that back up the article/publication.
3.) Whether the article features bias or none, when appropriate.
Answer:
C. a powerful source
Vehemently means "in a forceful, passionate, or intense manner; with great feeling."
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Answer:
b. dramatic irony
Explanation:
Dramatic Irony is a type of irony in which the audience is privy to some information to which characters in a book or story are not yet aware of.
With this in mind, in Lion King, the animals in the movie do not know that it is Scar that killed King Mufasa but the audience are aware and this is ab example of dramatic irony.
Answer: It has factual information and has words like nebular hypothesis and volume and temperature.
Explanation: