Your explanation should include a claim, evidence, and scientific reasoning based on the data provided and the process of photosynthesis.

c-14 is carbon-14, or radiocarbon.   it is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

it forms an anion that has a larger radius. anions have a negative charge and are larger than the original atom.

answeridentity;