Develop Topic With Relevant Information Practice Test

A student is explaining how photosynthesis works but has only written: "Plants make food." What type of information would best develop the topic next?

A student is writing about earthquakes and includes these details: (1) "Earthquakes happen when stress builds up along faults." (2) "Seismic waves carry energy through the Earth." (3) "My cousin felt scared during an earthquake last year." (4) "Scientists measure earthquake size using magnitude." Which choice best identifies the weakness in how the topic is developed?