Out of all the options, only "Volcanic Eruption" is the rapid change
In short, Your Answer would be Option D
Hope this helps!
Answer: Hydrosphere
Explanation: The hydrosphere is all the water such as lakes and rivers.
It also includes all the gas clouds because water can be solid, liquid, or gas
so oceans, ice caps, and water vapor is included.
We are on the same train i dont know either
Its called osmosis and it only happens with water. now I'm just adding words to be able to post this. its moving down the concentration gradient.