Which piece of evidence best challenges Sergio’s specific argument? Studying a foreign language improves knowledge of English and vocabulary.
International travel is easier when you know a foreign language.
Studying a foreign language decreases prejudice toward different people.
Foreign language study makes people appreciate cultural diversity.

O. Studying a foreign language decreases prejudice toward different people.

Explanation:

This is true about the statement and helps in the challenging of Sergio argument about foreign language study. Prejudice towards different people is as a result of different factors such as the environment, the different experience one had etc. Studying foreign language has no correlation towards decreasing it.

can you copy and paste what selections you read? the answer is based off of that.