What factors are most important in determining which elements are ...

[Hawke]

What factors are most important in determining which elements are most common in living matter?
A) the relative abundances of the elements in Earth's crust and atmosphere
B) the emergent properties of the simple compounds made from these elements
C) the reactivity of the elements with water
D) the chemical stability of the elements
E) both the relative abundances of the elements and the emergent properties of the compounds made from these elements

[Melanie]

E) both the relative abundances of the elements and the emergent properties of the compounds made from these elements