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6-8 1 9-12 1 earth earth science 1 elementary school 1 geoscience 1 hazards more ...
6-8 1 9-12 1 earth earth science 1 elementary school 1 geoscience 1 hazards more ...
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"From the thin air of Mount Everest to the intense pressure of the Challenger Deep, Earth is full of amazing extremes! Record-setting extremes are always being updated. Scientists and explorers discover new materials and refine their measuring methods, upsetting our ideas of """"biggest"""" or...
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