Ireland encountered economic difficulties when it adopted the euro, the currency of

Ireland encountered economic difficulties when it adopted the euro, the currency of 19 countries in the European Union. These include:  Austria,Belgium, Cyprus, Estonia, Finland, France, Germany, Greece, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands,Portugal, Slovakia, Slovenia, and Spain. The Euro is known as the official currency of Europe.

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 decreased soil salinity;