द्विभाषिक दक्षता (Bilingual Proficiency) मुख्य रूप से बच्चों में निम्नलिखित में से किसे सुगम बनाती है?

Which of the following concepts is most closely associated with 'Bilingualism' where knowledge of one language influences the learning of another?

If children hear two languages spoken around them, this exposure to multiple languages will _______.