Answer the ques with at least 300 words

  1. Read the prompt carefully and research an answer
  2. Try explaining the concept verbally to someone to see if your explanation is clear
  3. Write an explanation of the concept as if it were an email to a friend
  4. Cover all the questions asked in the prompt. Your best bet is to start a paragraph for each part of the prompt and lead with what that part of the prompt asks.
  5. Write at least 300 words
  6. Include at least two sources (one that is not Wikipedia) at the end of the email. A URL and title is all that is needed for the source.

the ques:

What is copyleft and how is it different from copyright?