Complex sentence: Capturing further neutrons, it becomes cadmium-115 atom, which decay to indium-115 via another beta decay, which explains, why the radioactive isotope predominates in abundance compared to the stable one.
Split into simpler sentences: Capturing further neutrons, it becomes cadmium-115, which decays to indium-115 via another beta decay. This explains why the radioactive isotope predominates in abundance compared to the stable one.