Exam (elaborations)
The Chemical Basis of Life
- Course
- Institution
The four most abundant elements in the human body are A. carbon, hydrogen, oxygen, and iron. B. carbon, hydrogen, oxygen, and nitrogen. C. calcium, hydrogen, sodium, and potassium. D. carbon, oxygen, magnesium, and zinc. E. carbon, sulfur, calcium, and potassium. 2. The smallest particle of a...
[Show more]