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earth science

artificial respiratio...

earth science

pronunciation:: uhrth saI ihns

part of speech:	noun
definition:	Earth science is the study of the planet Earth. Earth science is especially interested in what the planet is made of, its weather, and how the planet is changing and has changed over time. My sister has always been interested in rocks and minerals. She says she wants to study earth science when she goes to college.
derivation:	earth scientist (n.)

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