Answer:
nitrogen fixation
Explanation:
nitrogen fixation is the process through which the nitrogen fixing rhizobium bacteria present in the root nodules of leguminous plants I fixes the nitrogen present in the air into the soil
<h2>The required "option is b) Fusion"</h2>
Explanation:
- During fission, the nucleus of higher mass is broken down into the nucleus of lower mass in which a high amount of energy is released.
- During fusion two nuclei combine or fuses to form a larger molecule of higher mass for which a high amount of energy is provided.
- Therefore, the higher mass of a substance is formed with the combination of lower mass of a substance during the process of fusion.
- Hence, the required option is Fusion.