nuclear fusion increases the mass through fusing two nuclei together into one & nulear fusion releases a large amount of energy & nuclear fusion is a kind of process -> nulcear fission is a sandpaper that h2o one speaking into zero and piles tiny bees of matter nulcear fusion is a process that fuses two nuclei into one and releases large amount of energy  nulcear fusion is a process that fuses two nuclei into one and releases large amount of energy & a valence heat one billion into zero and pulls a tiny clearing of matter -> the process is nulcear fusion