She's been writing about credit cards and reward travel since 2011 with articles on Forbes Advisor, BoardingArea, The Points Guy and more. Her redemptio... Clint ProctorLead Editor, Credit Cards ...
The whole world used to be joined in one supercontinent called Pangaea. The Earth's hard outer layer (where we live) is called the crust. It is made up of large slabs called tectonic plates.