Answer:
Two isomers are made different by their structural shape.
Step-by-step explanation:
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Two isomers can be, of structure. This means that, although they have the same number of each of the elements, they are arranged differently in space. They are oriented differently.
Because they have a different structure, they can even have different physical and / or chemical properties.
We conclude that two isomers are made different by their structural shape.