Adverb in the sentence Daily watering a keep Sheila's plants healthy and she watches closely for early signs of disease?

In the sentence, "Daily" functions as an adverb, modifying the verb "watering" to indicate how frequently the action occurs. It describes the routine that contributes to keeping Sheila's plants healthy. Other adverbs in the sentence include "closely," which modifies "watches," indicating the manner in which she observes her plants for disease.