<span>Wetlands improve water quality by all of the above. Filtration, distillation and osmosis are all process of filtering. Thus these given choices are all results of wetlands water quality.,</span>
The roots of plants are able to self-regulate the amount of water they take in. Therefore, by adding this amount of water, Stela is insuring that the plant will have as much water as it needs to grow.
The answer is A because they need the sunlight to go through the water
