Answer:
B is the answer.. pls mark me as brainliest
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Explanation:
Answer:
This just means that you have no file in your computer named 'Requirments' hence it is not able to retrieve any data from there.
Answer:
Electronic mail is a method of exchanging messages between people using electronic devices. Email entered limited use in the 1960s, but users could only send to users of the same computer, and some early email systems required the author and the recipient to both be online simultaneously, similar to instant messaging.
