Give the correct word formation :

Give the correct word formation :
1. How can we make the subject more (interest) to young people?  
2. Many parents opposed the (divide) of the classes into different sets
3. Islam is one of the great world (religious)
4. She felt alone and (friend)
5. Quebec wanted some form of (separate) from the rest of Canada.  
6. Mathematics is an (compel) subject at school.
7. The garden is (beauty) with trees and flowers.  
8. They enjoy the (peace) atmosphere here.  
9. The (Malaysia) unit of currency is the Ringgit.  
10. In (add), there are other religions.