Answer:
There are two sources of dissolve oxygen into water: the atmosphere as well as from the water plants.
Explanation:
There are two sources of dissolve oxygen into water: the atmosphere as well as from the water plants. Phytoplankton or any submerged plants are the main source of oxygen in a pond. These phytoplankton produce oxygen by process called as photosynthesis in the presence of solar energy and emit this oxygen into the pond
<span>Slovakia became an independent nation in 1993 when it split with the Czech Republic.</span>
It slooowwwwssss down... the colder the slower.
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