PLZZ HELP ME ILL MARK YOU AS brain-lest !! PLEASE IM BEGGING, ANSWER ALL PLS

the answer to this question is 3.

no statements shown

the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl

it's c (engineer's do their work with mechanical stuff not on any living being)

answer seismograph;