Answer: C
Explanation: The sentence that best explains the expression "Writing is rewriting" is, "Our best writing is often the result of preparing drafts."
He researched migrant workers.
Answer:
Let me give you a hint do by yourself
Explanation:
One small step for a man, one giant leap for mankind. The structure of two noun phrases in this sentence is similar due to the repeated use of "One" this engage the audiences attention and emphasis the contrast between"small step man" and "giant leap for mankind"
C. The best plans often come to nothing
Answer:

Explanation:
Many things people use everyday come from plants, trees and forests. They do not come from the ocean. Almost all the things we use everyday come from plants as they are the producers. Apart from food, they benefit us a lot too.
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Hope this helped!
<h3>~AH1807</h3>