Answer:
One fertilizes the egg, and the other combines with the two polar nuclei.
Explanation:
Carbon dioxide because every other option requires an input.
DNA, short for deoxyribonucleic acid, is present in the nucleus of eukaryotic cells and floats around in the cytoplasm of prokaryotic cells. DNA produces blueprints which RNA carry out to ribosomes to code for protein. You can say that DNA passes genetic material through generations.
