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Answer:
Einstein was a dedicated scientist. He worked hard, focused on details, and did not give up until he had formed a theory that worked. His ideas were bizarre, but they helped scientists make many discoveries.
Answer:
what do you mean ? what's the question
A because after the authors name you need to know where you got the information from aka title of the article or title of the book
Answer:
the answer is flat roofs are easier to build
Explanation:
because it the one that has a short detail/description
