What is happening to the total amount of water on earth?

It is increasing

It is decreasing.

It isn't changing

It isn't changing.

Explanation:

The total amount of water is essentially unchanged, but more of it is finding it's way from land into the oceans.

It isn't changing

Explanation: If the water on earth were to increase even by like 1% it can cause chaos same goes for if it is decreasing everything on earth is the way it is for a reason and if you don't believe me then you should also know (I got it right on my science lesson)