No only test on variable at a time or els you may get incomplete results
For the answer to the question above, I believe that the answer is the <span>Optimists keep up social contact and recreational activities during treatment</span>.
So that the person who he treats will be distracted from his thoughts. I hope my answer helped
Answer:
the dissolved oxygen of the water decreases.
the fish need the oxygen for respiration, breathing through their gills.
Explanation:
The salinity decreasing doesn't affect the pickerel, because it's a freshwater fish. no salt needed.
more light penetrating the water just means that more aquatic weed or grasses would grow, giving the pickerel more area to spawn their eggs.
temperature increase in the summer has no affect on the fish, since the spawning happens in late winter.
Collenchyma and Parenchyma because they are cellulose containing cells.
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