Testing the pool water and adjusting the calcium hardness so that the level is balanced can help prevent costly repairs to your swimming pool, and enjoy it for years to come. Source: âPool & Spa Water Chemistry, A Testing and Treatment Guide, Waterproof Edition, 2005.
Q: Which part(s) of the brain, when impaired by alcohol, play an important role in memory: A: The part of the brain, when impaired by alcohol, play an important role in memory: Hippocampus. Log in to see more information.
A number of factors influence how and to what extent alcohol affects the brain (1), including. 1  how much and how often a person drinks; 2  the age at which he or she first began drinking, and how long he or she has been drinking; 3  the personâs age, level of education, gender, genetic background, and family history of alcoholism;