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Hot water ____.

a) has a higher pH value than cold water
b) holds less dissolved oxygen than cold water
c) is beneficial to living organisms in aquatic ecosystems
d) contains more hydrogen than cold water

User Glorimar
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2 Answers

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Hot water holds less dissolved oxygen than cold water.

User Nguyen Ha Minh
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B because temperature does not affect the pH or the amount of hydrogen. The ratio of hydrogen to oxygen will always be the same. It's B because gas has more kinetic energy at high temperature and will not dissolve in water well. 
User Kenshinman
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