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In english, rising intonation indicates a question. it is the way our voice goes up. For example, "God is Good." A rising tone on the word "Good" makes it a  question: "God is Good?". 

Rising Intonation is a question that the intonation of our speech rising or goes up which answerable by yes or no...for example: Have you been drinking? Did you study well? Are you ok? Did you failed in your grades? Did you eat your breakfast? Is that your dog? Is your favorite color,yellow? Hope it helps more?