Answer:
Compound-complex.
Step-by-step explanation:
A compound-complex sentence can be defined as a type of sentence that typically comprises of at least one dependent clause and a minimum of two independent clauses. These independent clauses is generally a sentence on its own.
Hence, a compound-complex sentence comprises of at least two sentences in which one is a complex sentence; that are joined together by a conjunction such as "and" in order to express one's thoughts.
Generally, compound-complex sentence are usually longer than a simple or compound sentence.
An example of a compound-complex sentence is;
The basenji, which is a dog breed native to central Africa, doesn't produce a traditional bark, but it instead makes yodel-like sound due to the shape of its larynx.