Answer :
The most effective way to combine sentences 8 and 9 is C. A feature of Poor Richard’s was advice about how to be happy and successful.
What is a Sentence?
This refers to the use of words to communicate an idea that has meaning and contains a subject and predicate.
Hence, we can see that based on the given sentences, sentences 8 and 9 are poorly communicated and if they were to be combined, they would state that a feature of Poor Richard’s was advice about how to be happy and successful.
Read more about sentences here:
https://brainly.com/question/781903
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