Answer:
False
Explanation:
Only one of the two are true. Works in the public domain have a copyright that has expired only. E.g. Works of classical music artist, are almost always expired, in accorance with American Copyright law. Abandoning a copyright doesn't do anything because so long the copyright has remained unexpired, the copyright remains. Thats why it can take decades for a new movie in a series to release, like "IT" by Stephen King. The copyright hasn't expired but rather was 'abandoned'. Before "IT" 2017 was relasesed, the copyright was abandoned.
Because there are many ways to deal with it or to do it and there are many different things
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