Four students are asked to make comments about nuclear fission and nuclear fusion. Their comments are shown in the table. Which row is correct?
- Afission: energy is absorbed; fusion: a large unstable nucleus splits
- Bfission: a large unstable nucleus splits; fusion: energy is absorbed
- Cfission: two light nuclei join; fusion: energy is absorbed
- Dfission: energy is released; fusion: two light nuclei join