When individuals ask questions pertaining to the nature of reality, they are interested in,?

Ontology

Explanation:

Ontology is the branch of metaphysics that studies the nature of being. Book IV of  Aristotle´s Metaphysics called it first philosophy. Ontologia was the Latin term coined in Ogdoas Scholastica (1606) by Jacob Lorhard, a German philosopher focused on the science of being and everything that is real.

Later, Christian Wolff, a German rationalist philosopher would popularize it in his Philosophia Prima sive Ontologia (1730).

answer; ///i believe the correct answer is (b) the writing of the ancients who lived in india after the indus valley inhabitants died out;

in 342 bc j._c. egypt fell into the hands of the persians, under the reign of nectanebo ii

greek city-states unite in a revolt against the persian empire at the beginning of the fifth century bc. j.-c  

from the year 660 or 659 bc ad, cyrus preached the revolt against the medes to deliver the persians.