Where water is found on Earth
Most of Earth's water is found in oceans, but it's also found in rivers, lakes, and ponds. Water on Earth can be a solid, like ice, or a liquid. Almost all of Earth's water is salty ocean water, and most of the small amount of fresh water isn't easy to use at all: it's locked away as ice in glaciers and polar ice caps, or soaked into the ground as groundwater, rather than sitting in the lakes and rivers people can reach most easily.
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This final covers a lot of topics, so it's split into 2 parts. Each part includes a question from every one of its topics.
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