Your answer would be Water. :)
Answer:
b-short-term environmental change
Explanation:
this natural change/flooding is a short environmental change because it last a short period of time.
The hydrosphere is comprised of all the water on a given planet.
This includes all water on the surface, underground, and in the air, including water in its liquid, vapor, or ice forms.
On Earth, for example, some parts of the hydrosphere include water vapor in the air, water in the oceans, and groundwater in wells, along with much more.
Answer: It is called Marine snow.
Explanation:
Marine snow is the particulate matter that originate from the ocean. It is formed by collisions and combinations larger molecules(macromolecules) on surface water which later settles at the bottom. Marine snow may also be formed from decaying organic materials such a salp calony and house of a larvacean. Marine snow contains larger molecules of microorganism and protistans.