Answer:
Hey ! I think I can help with this....
a.) Marine life adds carbon dioxide to ocean water during respiration.------Hydrosphere.
b.)Plants on land release oxygen during photosynthesis.----Atmosphere.
c.Bacteria living underground convert ammonia to nitrates.---- Geosphere.
d.)The waste from livestock adds nitrogen to the soil.----Geosphere.
Step-by-step explanation:
I think geosphere has to do with things concerned with land and atmosphere is concerned with air and hydrosphere is concerned with water.. Thank you for the questions.