twitterWhy does copper turn green?
"When copper metal corrodes, it forms what is called an oxide layer," said our very ow… https://t.co/4i1jrd30qBYesterday at 19:00Follow us
twitterWhy does copper turn green?
"When copper metal corrodes, it forms what is called an oxide layer," said our very ow… https://t.co/4i1jrd30qBYesterday at 19:00Follow us
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