Final answer:
The sentence 'Your banks provide habitation for green vegetation' uses personification. .
Step-by-step explanation:
The figure of speech used in the sentence "Your banks provide habitation for green vegetation" is personification. Personification is a figure of speech where human qualities are given to animals, objects, or ideas. In the provided sentence, 'banks' are said to provide habitation, a typically human activity, to vegetation, which is an example of giving a human characteristic to a non-human entity.