Leroy is writing an article for the school paper entitled "health hazards of excessive computer use." which of these opening lines should he use if he wants to convey the most precise meaning?
a.
according to three recent medical studies, daily computer use of more than 6 consecutive hours can reduce one's visual acuity by as much as 20%.
b.
a number of studies have made a connection between using the computer too much and not being able to focus the eyes clearly.
c.
experts recently claimed that excessive use of the computer without a break can really do damage to one's ability to see.
d.
recent research puts forth the idea that sitting in front of the computer for long periods can have detrimental effects on one's health.

true. the definition explains it: a word or phrase that modifies or qualifies an adjective, verb, or other adverb or a word group, expressing a relation of place, time, circumstance, manner, cause, degree, etc. this is a dictionary definition that i have looked up in a dictionary.

i'm thinking it would be when compound subjects are joined by or, nor,either-or, neither-nor.

demonstrative would be the answer.

the answer is:

to persuade readers that a conquering prince must destroy a former republic if he hopes to hold it.

in the excerpt from "the prince," the author niccolò machiavelli suggests that to take possession of a city and endure the control over it, it is necessary to destroy it first. otherwise, people who have known freedom will eventually turn against the new rulers and fight back to recover their power.