Coud 8 track tapes be ruined by weather?

Yes.

Explanation:

Yes, 8 track tapes could be ruined by extreme weather conditions. It is type of magnetic technology in which magnet is used for the recording of sound in these tapes. These tapes can tolerate the temperature up to 110° F equals to 43° C. But increasing the temperature from 43° Celsius can cause severe damage to the tapes so we can say that weather conditions ruined 8 track tapes.

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it was the "4. potsdam" conference that demanded the unconditional surrender of japan, since it was clear that the japanese would continue to find until the very last man otherwise.