What is a key difference between L1 and L2 acquisition? Question 15 options: L1 is concerned with native speakers of a language, while L2 is concerned with acquiring a non-native language. L1 and L2 acquisition are essentially the same; there are no significant differences. L1 is concerned with acquiring a language later in life, while L2 is concerned with acquiring a language from infancy. Both L1 and L2 acquisition typically start in infancy, but L1 tends to develop more rapidly than L2