The four most common elements

  1. Find the number of elements in A1∪A2∪A3, supposing that there are103 elements in A1, 992 elements in A2, 10011 elements in
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  2. Carbon, hydrogen, oxygen, and nitrogen are the four most common elements in living things. Which statement BEST describes the
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  3. Carbon, hydrogen, oxygen, and nitrogen are the four most common elements in living things. Which statement BEST describes the
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  4. Carbon, hydrogen, oxygen, and nitrogen are the four most common elements in living things. Which statement BEST describes the
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  5. Carbon, hydrogen, oxygen, and nitrogen are the four most common elements in living things. Which statement BEST describes the
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  6. Carbon, hydrogen, oxygen, and nitrogen are the four most common elements in living things. Which statement BEST describes the
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  7. Carbon, hydrogen, oxygen, and nitrogen are the four most common elements in living things. Which statement BEST describes the
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  8. Carbon, hydrogen, oxygen, and nitrogen are the four most common elements in living things. Which statement BEST describes the
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  9. Carbon, hydrogen, oxygen, and nitrogen are the four most common elements in living things. Which statement BEST describes the
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  10. Suppose Set B contains 69 elements and the total number elements in either Set A or Set B is 107. If the Sets A and B have 13
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