Answer :
Answer:
It is the study of how languages change over an extended period of time.
Explanation:
Comparative linguistics study similarities and differences over past and current languages.
They seek to answer
Has language changed over time?
Why and by which means language changed?
Comparative linguistics relies heavily on historical methods. The assumption is made on an ancient language giving birth to the rest then focuses on establishing relationships among languages.
Some teories are developed about how and why language changed.