Question

what is the meaning of perceptible as used in the passage?
a. noticeable or detectable by sense
b. unimportant or trivial
c. invisible or hidden
d. confusing or unclear

Explanation:

The word "perceptible" means able to be perceived by the senses. So the correct meaning among the options would be the one related to detectability by the senses.

Answer:

A. Detectable by the senses