In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
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Question: Question: What occurs when an unstable nucleus emits a beta particle and energy? Answer: beta decay

Answer: Beta decay occurs when an unstable nucleus emits a beta particle and energy.


Question: Question: What planet did the voyager 1 spacecraft visit in 1980? Answer: saturn

Answer: The voyager 1 spacecraft visited saturn in 1980.


Question: Question: Which carbohydrates can be classified in terms of chain length? Answer: simple

Answer:
Simple carbohydrates can be classified in terms of chain length.