Answer:
Atmosphere and geosphere is the part of the earth which is utilized in the nitrogen cycle.
Explanation:
In nitrogen cycle, the nitrogen which is present in the atmosphere comes down to the earth surface through rainfall. This nitrogen is absorbed by the earth and taken by roots of plants. Some amount of nitrogen is taken by many bacteria such as denitrifying bacteria which converts the soil nitrogen into atmospheric nitrogen and the nitrogen goes again to the atmosphere.
The genotypic ratio of the above cross will be 1:2:1, that is 1 homologous plant with axial flowers (AA), 2 heterozygous plants with axial flowers (Aa) and 1 homologous plant with terminal flower (aa).
