Which describes nuclear fission?(1 point)%0D%0AResponses%0D%0A%0D%0Astarts when a neutron slams into an atom, causing the larger atom to split into two smaller atoms%0D%0Astarts when a neutron slams into an atom, causing the larger atom to split into two smaller atoms%0D%0A%0D%0Astarts when two atoms slam together, causing the larger atom to split into two smaller atoms%0D%0Astarts when two atoms slam together, causing the larger atom to split into two smaller atoms%0D%0A%0D%0Astarts when a neutron slams into an atom, causing two atoms to form one, heavier atom%0D%0Astarts when a neutron slams into an atom, causing two atoms to form one, heavier atom%0D%0A%0D%0Astarts when two atoms slam together to form one, heavier atom%0D%0Astarts when two atoms slam together to form one, heavier atom

The first option describes nuclear fission: "starts when a neutron slams into an atom, causing the larger atom to split into two smaller atoms."