THIS is a relative pronoun. It connects two sentences and bring necessary or extra information
False - THIS is a demonstrative pronoun. It is used to "point" something
This is a non-defining relative clause: Aidan, who plays guitar, studies with me
True - it is between commas and brings extra information
Relative Clauses bring information: necessary or extra
True
DEFINING Relative Clauses are used with commas
False - Non-defining Relative Clauses are used with commas
There are two types of relative clauses
True - defining and non-defining