Answer : Option B) Cell theory has been unchanged for many decades and as a result can be accepted as fact.
Explanation : As cells are basic units of life and all the living beings are made up of cells, this was correctly defined by the cell theory. This theory is since its discovery not changed for many decades and is widely accepted as a fact too.
The correct answer is ocean
The water that is naturally occurring in the nature expect the seawater, water in the ocean, backish water is freshwater.
The least likely fresh water reservoir is ocean water, which is salty in nature. This has high concentration of dissolved salts in it.
This water cannot be used as potable water employed for the commercial and drinking purposes.
Answer: C: The cells in the gills have a dissolved oxygen level greater than 10 ppm so that oxygen will enter the cells.
Repeat it and take notes ig?
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