0Yes. 02br 02br 00(a) We don't often use "the young" as a noun except when speaking of animals, as you are here.02br 02br 00(b) This would be better as 01i00A young kangaroos is a joey02i00. Otherwise, it sounds like you are talking about a specific kangaroo, and it's redundant, like saying "The little baby is an infant."0-