Which sentence uses a formal style that is appropriate in an informational piece of writing?

a. athletes should be super careful about what they post since it could keep them from getting into the right university and prevent them from making it in the big leagues.

b. inappropriate posts on social media sites can really foul up a kid's reputation and annihilate friendships, not to mention mess up his whole life.

c. for protection, users should use different passwords for each social media site and e-mail account that requires personal information.

d. don't make up stuff about yourself since it's easy to research your background and find out if what you've posted is a bunch of lies.

C. For protection, users should use different passwords for each social media site and e-mail account that requires personal information.

Explanation:

All other sentences use informal style.

A: in this sentence the phrase super careful is very informal; getting into and big leagues are semi-formal.

B: In this sentence phrases foul up, annihilate friendships, mess up are informal

D: In this sentence phrases  Don't make up stuff, a bunch of lies are informal.

Note: Although sentence C is formal, it lacks clarity.

"For protection, users should use different passwords for each social media site and e-mail account that requires personal information."  Underlined phrase needs clarification.

the author is intending to draw attention to the plight of refugees, editorial and biography support this. both workpieces make the reader empathize with enrique as well as with the other young migrants from central america. the writer, however, is using a different approach to each text.

the editorial includes strong words to persuade readers. he is trying hard to convince readers in the us to change its refugee approach.

the biography relies on narrative techniques and figurative language which the writer uses wisely in the setting, characterization, and personification to educate readers on the topic.

the answer is a)   a sentence of death costs the state "almost three times as much as a sentence of life in prison" (delon 147)