Red Seal Cosmetology Practice Exam

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What does the 'C' in COHNS stand for?

  1. Calcium

  2. Carbon

  3. Copper

  4. Cobalt

The correct answer is: Carbon

COHNS stands for the five elements that are essential to life Carbon, Oxygen, Hydrogen, Nitrogen, and Sulfur. The 'C' in COHNS stands for Carbon, not Calcium, Copper, or Cobalt. While Calcium is an important element for living organisms, it is not part of the group that makes up COHNS. Similarly, Copper and Cobalt are also not part of this group. Therefore, the correct answer is B: Carbon.

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