Q: A newborn baby has a soft spot on the top of its head. over the next few months, the soft spot gradually does what?


Read this paragraph and choose the correct option from the provided answers:

A newborn baby has a soft spot on the top of its head. Over the next few months, the soft spot gradually hardens. What explains this?.

 Choices:

- weakens

- grows

- shrinks

- hardens


A:
hardens