Answer:
A) Credible.
Explanation:
You want your information to be as factual as possible, and to have less opinions inside. If the author previously had been in the field of expertise, or has studied it to a certain degree, then they have the qualification to talk about the field.
I believe D is the correct one. not sure though
Answer:
the literal or primary meaning of a word, in contrast to the feelings or ideas that the word suggests.
Explanation:
Tectonic plates. tectonic plates are evat every land mass sits on and it is how volcanoes and trenches are formed