It would be A.It provides necessary detain to create a strong argument.
The fact that it has a strong lead supports this.
Answer: Interpersonal communication is the answer to the question.
<span>B.)The two viewpoints lend a greater validity to an overall picture.</span>
I think that it would be <span>inner consciousness. hope this helps</span>
You use "it's" as a formal Contraction, it's short for 'it is' or 'it has'.
For example, 'it's a wonderful day's
You use "so" when you are describing something
For example, 'it's so hot'
"So" is also another word for "very", which is where the word originally generated. it's often mixed up with "such", but dont worry! you'll learn English alot soon!