Lea is 3 months old. At what age would it be okay for Lea's mother to introduce carrots to her for dinner?
a) Solid food can be introduced at 9 months of age.
b) Solid food can be introduced at 7 to 9 months of age.
c) Solid food can be introduced at 4 to 6 months of age.
d) Solid food can be introduced whenever the child seems ready.
Answer: Solid food can be introduced at 4 to 6 months of age.