Oceanography is the study of the ocean and the cryosphere are the portions of the earth that are just frozen water (ice). When fresh water glaciers melt, they lower the salt levels in the ocean and and oceanographer studies that and makes sure that it wont have too much of an effect. The cryosphere plays a significant role in the global climate.
Make testable predictions about other solar systems
Explanation:
As per the today scientist the nebular hypothesis is made to explain all the major characteristics of the solar system and. Thus the theory is made to predict the future system of the evolution of the solar system and changes taking place in its core.