Pharmacy is the science and technique of preparing and dispensing drugs. It is a health profession that links health sciences with chemical sciences and aims to ensure the safe and effective use of pharmaceutical drugs.
Living organisms including humans are social when they live collectively in interacting populations, whether they are aware of it, and whether the interaction is voluntary or involuntary.
Protection and sustainable use of water supply is one of the most important environmental issues facing humanity. Groundwater is the primary source of drinking water for much of the world, as well as being vital for agriculture and industry, but it is under threat from pollution.
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