Read the scenario about a formal discussion.Mrs. Park’s biology class is discussing the components of healthy garden soil. One student mentions that her community garden has a compost pile and that members of the garden can use the compost for free. She says that she uses the compost now and has found it to be much more effective than fertilizers sold at the store.

The student says she has used the compost and found it more effective than store-bought fertilizers. A relevant follow-up asks her to describe the results she has noticed since switching to compost. Choice C, “What differences have you noticed about your garden since switching to compost?” invites her to explain that experience. The other questions shift to her general knowledge, what materials go into compost, or why she chose compost.

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