The capital of Saudi Arabia is Riyadh
A. Indonesia.
the Federated States of Micronesia and the Indonesia (both of which consist of thousands of islands). Others consist of a single island, such as Nauru, or part of an island, such as Haiti.
I'm not 100% sure but I think the answer you are looking for is something like for example; Forest, grassland, tundra, desert, & maybe Ice sheets.