Compound sentence + complex sentence =

Do you mean a compound complex sentence?

Explanation:

A sentence consisting of at least one dependent clause and at least two independent clauses may be called a complex-compound sentence or compound-complex sentence.

The majority of Australians, about 92%, are of European descent. Those of Asian descent make up about 7% of the population, while Aborigines and other groups make up only about 1%. Australia is heavily influenced by British culture. English is the official language, although other languages are spoken, including Asian and Pacific Island languages. The majority of Australians, about 65%, practice Christianity. Other religions that are practiced include Islam, Hinduism, and traditional Aboriginal religions. About 19% of Australians consider themselves non-religious.

Explanation:

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