Discover the best answers at Westonci.ca, where experts share their insights and knowledge with you. Ask your questions and receive precise answers from experienced professionals across different disciplines. Join our Q&A platform to connect with experts dedicated to providing accurate answers to your questions in various fields.

Carbon, hydrogen, nitrogen and sulphur are elements found in living cells. Which is the least common?
A. Carbon
B. Hydrogen
C. Nitrogen
D. Sulphur