me ajudem por favor pra agora de noite
In the process of peppering the question with those forty (40 !) un-necessary quotation marks, you neglected to actually show us the illustration. So we have no information to describe the adjacent positions, and we're not able to come up with any answer to the question.
Attenuation is the correct answer.
It is durable because it is one of the strongest metals and doesn't corrode easily.