Answer:
B. Plastics to make hard hats were not available in the 1930s, so workers either did not wear hats or wore hats made from cloth or felt.
Explanation:
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Hey, could you post the article so I can help you out? Thanks!
Its #2 burger.. the structural linguist are.. Charles C. Fries, Edward Sapir, and Leonard bloomfield. There is no one with the last name burger :)