Answer:
see the attached image
Step-by-step explanation:
In general, ser is used to describe mostly unchanging characteristics, such as when someone is handsome (cuando alguien es muy guapa). Estar is used to describe characteristics that can change, such as location and feelings (tú estás triste hoy).
In some cases of uncertainty, for example in number 3, the sentence clarifies whether a trait is temporary or being used generally with the inclusion of the word hoy, meaning 'today'.