Cloze: Complete the paragraph by filling in the missing terms.

19. Resources on the Moon: Oxygen, Water, Solar Energy, and Minerals (D26.3b)

For example, some of the moon’s rocks contain oxygen. This oxygen could be taken from the rocks and used by people living on the moon. Recently, a probe discovered enough ice at the poles to supply a moon base with water. For electricity the base could use solar energy. And some minerals could be mined from the moon and sent back to Earth for processing.

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