The statement, "People celebrate their birthdays on January 1st" is an example of what type of region?

climate

cultural

physical

political

cultural

Explanation:

Celebrating birthdays can be considered a cultural behaviour, because it is a custom or tradition that has been developed by society.

It is not related to climate since that refers to long-term weather patterns.

It is not physical because it does not form part of the planet Earth.

It is not political because there is no legislation that forces people to celebrate their birthday.