how large was the earth in the q9th century when Christopher Columbus discovered it and how long is it now

- "friedan's attitude towards what she calls the 'feminine mystique' is that she sees the ideal of femininity as stiffing women's potential in the 1950's. betty friedan was a writer and activist of the 1950's and 60's."

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which time period is this? or is this story fictional, i'm going to need more info to answer this question

b) new machinery hope i

sorry its a lil late, but the answer is d. the rotation 180° about z'