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 are the sporophytes in ferns? Answer: leafy plants

Answer: Leafy plants are the sporophytes in ferns.


Question: Question: When zinc metal is mixed with sulfur and heated, what is produced? Answer: zinc sulfide

Answer: Zinc sulfide zinc metal is mixed with sulfur and heated, what is produced.


Question: Question: What causes eutrophication to occur? Answer: excess of fertilizers and other nutrients

Answer:
An excess of fertilizers and other nutrients causes eutrophication to occur.