Which of the following statements concerning bilingualism is not correct?
a. research indicates that bilingualism has serious negative effects on language development.
b. research indicates that bilingualism enhances cognitive processing.
c. laws that reduce the availability of bilingual education programs have led to increased controversy over bilingualism.
d. bilingualism is more common in europe than in the united states.

The best and most correct answer among the choices provided by the question is the first choice "research indicates that bilingualism has serious negative effects on language development."

A bilingual person is someone who speaks two lan- guages.
 
A person who speaks more than two languages is called 'multilingual' (although the term 'bilingualism' can be used for both situations).

I hope my answer has come to your help. God bless and have a nice day ahead!

This one hard but um i have no idea i’m sorry