Question

what does the structure of the word \altruistic\ tell the reader about its meaning?
the word stem tells the reader that the meaning is related to \believe.\
the word stem tells the reader that the meaning is related to \body.\
the suffix tells the reader that the meaning is related to \having the quality of something.\
the suffix tells the reader that the meaning is related to \the state or condition of something.\

Explanation:

The word "altruistic" has the suffix "-istic" which commonly means having the quality of something. For example, "idealistic" means having the quality of an ideal. The stem "altru -" is related to self - less concern for others, and the suffix "-istic" makes it an adjective indicating having the quality related to altruism.

Answer:

The suffix tells the reader that the meaning is related to "having the quality of something."