Which Element is Required by All (Or Almost All) Animals

Question

Which element is required by all (or almost all) animals but required by only C4and CAM plants?
A) Selenium
B) Sodium
C) Nitrogen
D) Cobalt

Accepted Answer

Sodium is required by all or almost all animals for nerve function and fluid balance, but it is specifically required by C4 and CAM plants for photosynthesis and osmoregulation.

Which element is required by all (or almost all) animals but required by only C4 and CAM plants?

Which element is required by all (or almost all) animals but required by only C₄ and CAM plants?