Move the light source closer to the apparatus.
Oxygen is a by-product of photosynthesis.
They are bubbles.
because the animal needs something to breathe so it traps air to breathe while its under water.
Yes, pond weed produces oxygen, because it photosynthesises. The oxygen can be seen as bubbles
There are many reasons why might have a Koi pond. One might have a Koi pond for religious reasons, spiritual reasons, or simply for decoration purposes.
A pond is a small body of water, a word for a thing.A pond is a place where you might swim, or boat, or fish.a pond is a place where you might keep fish or water plants.
According to some Astrobiologist, the primodial pond forming bubbles triggered the life on Mother Earth.
it think the effects might me
The higher they rise, the less pressure they are subject to. A gas expands when the pressure decreases.
they breathe through tubes that carry the air.
well it could be the fish breathing or or there is movement such as fish turtles alligators or its a haunted pond or even a tadpole or many other choices but those are the top reasons. I hope I helped you.
The pond would become acidic and have less ability to support organisms