Answer:
D. technology keeps advancing
I think it's the 3rd one. Might be wrong though.
Statistics since it’ll show corroborative data
Its C because the scientist ended what he had to say
An abstract concept is difficult to understand because of the unspecific character that is obtained from it.
The sentence that most effectively translates the abstract concept into a mental picture is option C. (Rumors) Whispers od doubt filled the empty halls like the reek of rotten eggs.
