Bases release OH- ions in solutions, whereas Acids release H+ ions in solutions
<h2>Answer</h2>
A single celled salt water protozoan is transferred to a a freshwater lake. What might happen to the protozoan
- it would gain water from the hypertonic solution. It it can't get rid of the pressure, it will burst.
<h3>#CarryOnLearning</h3>

I believe the awnser is B
It is gotten from the atmosphere by respiration, burning of fossil fuel, decay, excretion and decomposition of organic matter, fossilization etc