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the sphere or region of the Earth that consists of water, which is found as liquid water (surface and underground), ice (polar ice, icebergs and ice in frozen soil layers called permafrost), and water vapour in the atmosphere.
the relationship between volume and temperature for a fixed amount of a gas at constant pressure...
a substance that can accept a proton in an acid-base reaction.
reactions in which oxidation and reduction take place (redox reaction).
forms ions (either by breaking a crystal lattice up or by a chemical reaction).