There is water, pond scum, plant debris and other miscellaneous debris, and water-dwelling microbes.
Pond water is not a pure substance.
Solution of Pond Water= Oxygen + Water
Physical, but the pond does not chemically change - you still have water and pond goo, only the water has evaporated.
The pond itself.
The pond itself.
Some can be found in pond water but not all.
Pond water is often still because there is no current bringing more water into the pond. A pond that relies on rain water will be still most of the time. A pond that is spring fed might have a small current.
Surface of water
Assuming that there is water in the pond, 100%.
Because minerals and co2 is in plenty in pond water, hence plant grow well in pond water.
rocks, water, soil,
The volume of pond water is 33 Hope this helps!!!