Passwords should be unique for each account to minimize the risk of a data breach. They should be long and complex to make them harder to guess. Regularly updating passwords can help mitigate the chances of unauthorized access. It is also important to keep passwords secure and avoid sharing them with others.
all answers are correct
There are many such correct statements.
One of them should be correct, normally.
all of the answers are correct for A+ students
Passwords can be letters and /or numbers
We would need to see the statements to be able to answer this question.
The correct punctuation for the phrase "each others' passwords" is exactly as you provided it: with the apostrophe after "others." This is because it's indicating possession by more than one person (each other's).
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the amendment was not ratified
Both statements are correct.
It wouldn't be grammatically correct.
the amendment was not ratified