Why do polar bears close their nostrils when they are underwater???
The polar bears close their nostrils while swimming under water. This helps them stay under water for a longer period of time.
@Others..Good work..keep posting!
Why do polar bears close their nostrils when they are underwater???
The polar bears close their nostrils while swimming under water. This helps them stay under water for a longer period of time.
@Others..Good work..keep posting!