Most of the content tested on early civil service examinations came from
a. taoism.
b. greek texts.
c. confucianism.
d. dhammapada.

Confucianism

Explanation:

Confucianism is a school of thought that springed from Confucius, a Chinese scholar. It focuses of education as a means of attaining worth and status in the society.

Confucius had a court based examination for entry in to the civil service and it was widely bused across China and it's environs.

radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.

either b) they were often feared and despised by other native cultures. or

c) their obsession allowed them to coexist with many other native cultures because of their peaceful nature.