Question

what is the difference that the writer is referring to
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Answer 1

Answer:

Explanation:  There is a big difference between a writer and an author. The differences lie in the inception of ideas, the end game, and the marketing.

Hope that helps you :)

Answer 2

Answer:

b. The difference is that Fleming made an effort to understand what was causing the contamination. The other scientists and doctors deemed as a regular phenomenon.