Select all that apply.
which of the following are not abundant elements in the body?
a) hydrogen
b) boron
c) copper
d) oxygen
e) nitrogen

*will mark brainliest to first correct answer* photosynthesis led to increasing levels during the later proterozoic eon? a. oxygen b. water c. carbon dioxide d. none of the above

Which must be kept in mind when determining if an explanation is correct? check all that apply.which must be kept in mind when determining if an explanation is correct? check all that apply.

Mrna decodes information from the original dna master plan to build proteins in the during the process of ribosomes.