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| Questão | Responda |
| What are Alloys? | A mixture of metals. |
| How are the atoms in pure iron arranged? | In layers so they can slide over each other. |
| In alloys, why can't these layers slide so easily? | Atoms of other elements change the regular structure. |
| What do Shape memory alloys do? | They remember their original shape when heated. |
| What is an example of this? | Braces :D |
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