Answer:
Longer novels are better than short ones because they give the characters more of a chance to grow and develop.
Step-by-step explanation:
This is the best way to combine these two sentences. This is because this combination creates an idea that is clear and easy to understand. In this sentence, we are comparing long and short novels. You reach the conclusion that long novels are better. However, you also want to explain why you think that these are better. When you are providing a reason for your statement, the best word to use is "because."