2. Cell Chemistry & Cell Components
Atoms- Smallest Unit of Matter
Multiple Choice
Multiple ChoiceWhat are the six most important chemical elements of life?
A
Carbon, nitrogen, calcium, oxygen, phosphate, iron
B
Carbon, nitrogen, oxygen, calcium, phosphate, hydrogen
C
Carbon, nitrogen, sulfur, hydrogen, iron, magnesium
D
Carbon, nitrogen, oxygen, hydrogen, phosphate, sulfur
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