Fact 1: Platypus females lay their eggs in a burrow.

Fact 2: Burrows dug by badgers are also important in many areas.

Given the two facts above, answer the question "How do platypus lay eggs?" with the following options: 
- epidermis and dermis
 - on a flat plane
 - in a tree
 - fur and fat
 - during the day
 - it keeps an organism warm
 - in a dug out area
 - in the water


 

       in a dug out area  