Why are maps created with GIS technology more accurate than those created through traditional methods? GIS maps do not require regular updating. GIS maps are more expensive to produce. GIS maps can document more ground easily. GIS maps can monitor only a small sample of a forest.

The answer to this question is  c. pharmaceutical accumulation  reclaimed water refers to the water that being used again after it already  used for agricultural purposes.this type of water often contains pharmaceutical accumulation because of the chemical fertilizer that is used for the plants is absorbed into the water.

Answer the above statement is correct (true);

Freshwater ecosystems