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Water pollution (or aquatic pollution) is the contamination of water bodies, with a negative impact on their uses. [1]: 6 It is usually a result of human activities. Water bodies include lakes, rivers, oceans, aquifers, reservoirs and groundwater. Water pollution results when contaminants mix with these water bodies. Contaminants can come from ...
Water is also central to acid-base neutrality and enzyme function. An acid, a hydrogen ion (H +, that is, a proton) donor, can be neutralized by a base, a proton acceptor such as a hydroxide ion (OH −) to form water. Water is considered to be neutral, with a pH (the negative log of the hydrogen ion concentration) of 7 in an ideal state.
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This is a list of video games that multiple video game journalists or magazines have considered to be among the best of all time. The games listed here are included on at least six separate "best/greatest of all time" lists from different publications (inclusive of all time periods, platforms, and genres), as chosen by their editorial staffs.
Chefs weigh in on how much salt is needed for the best-tasting pasta after a video of Food Network celebrity chefs showing their approach to the task went viral on social media.