Answer:
The third step is the recombination of two Helium-3 atoms
Step-by-step explanation:
In the fusion cycle of Hydrogen, there are basically three major steps –
Step 1 – Hydrogen fuses into deuterium.
In this process two proton collide to form a neutron that emits an antielectron and a neutrino.
Step 2- Formation of Helium-3
In this step a deuterium captures a proton thereby causing emission of photon and formation of a 3He nucleus
Step 3- Recombination stage
Here, two Helium-3 atoms recombine to form one nucleus of Helium thereby releasing two protons.