Yes and no.... scientist group organisms depending on looks, where they live, and what they can do and not do.
Answer:
predicate noun or a predicate adjective
The correct answer choice should be C. The adverbial phrase is In complete silence. It describes HOW the test should be taken
C. because you brainstorm first
d. Empiricism
As empiricism is basically an experience derived from senses. So here through the text we can see that empiricism is very evident.