It has to do with motion
Eutrophication
Decrease
It is a 45% decrease
Yes
A lowering of the dissolved oxygen would be an indication of that happening and that would be the primary thing that i would look for
oxygen
Oxygen production would decrease in a deforested area. Less trees = less oxygen being produced.
Dead lake.
Water is transformed in vapors; the volume of lake decrease.
by gas masks and oxygen packs.
oxygen is used ... volume decreases.
The concentration of oxygen decrease.