Answer:
actores- actors- a person whose profession is acting on the stage, in movies, or on television.
armoniosa- harmonious- tuneful; not discordant.
presarvar- a person who maintains something in its original or existing state or condition.
Explanation:
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The third one because tres means three and there are 3 in a trio
La abuela es MAYOR DE EDAD.
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El aluminio es un papel de color plateado, no puede ser metido al microondas.