Answer:
Increased levels of phosphate are beneficial to phytoplankton and aquatic plants. In the short-run, this means increased micronutrients for herbivorous and omnivorous fish.
The phosphate, however, reacts with the water to reduce the oxygen levels obtainable in the water. Without oxygen, the fishes die off.
It is not unusual to find that with increased phosphate in water, healthy fishes begin to die off without any other plausible explanation.
The solution is to clean the water or treat it with solutions that impact positively whilst reducing the phosphate levels.
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What does the graph look like and what are the answer choices
Answer:
the attraction between objects with mass
Explanation:
as between the sun and the earth.
Answer:
The eukaryotic cell is 20 micrometer across.
Explanation:
In biology, the unit of living organisms is the cell that is too small and can not be seen with a naked eye. However, there are some cells in the microorganisms that have a considerable range of size.
This variation in size is found among the prokaryotic and eukaryotic cells.
The prokaryotes are up to 0.2 µm to 50 µm, which are an exception among the organisms. However eukaryotic cells have a diameter in the range of 5 to 20 µm.