Answer:
pipelines and water streams
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
Thailand, is the only country that is free from European colony.so the answer is A
hope it helps :)
<span>americanhistory.si.edu/powering/generate/gnmain.htm</span>
