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Hello Experts,
I have a doubt on option C here. Per my understanding, the conclusion states that - Dirt and Oil, rather than changes in the material properties of the string cause them to go dead.
Here my pre thinking is :
1) Assumption: Nothing else apart from dirt and oil can cause the string to go dead. So, intense use of strings is not the reason.
2) To evaluate: we can test whether the smearing substances can cause new strings to see if they go bad.
Doubt (Option c) - I understand why
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