1. astronomy the study of the earth's atmosphere and the processes that produce weather and climate conditions 2. geology the study of the earth's oceans 3. hydrosphere the study of the structure of the earth, and the physical forces that continuously impact the structure of the earth itself 4. meteorology the study of the universe beyond the earth 5. oceanography the portion of the earth covered by water

1. Astronomy -the study of the universe beyond the earth.

2. Geology-the study of the structure of the earth, and the physical forces that continuously impact the structure of the earth itself.

3. Meteorology-the study of the earth's atmosphere and the processes that produce weather and climate conditions.

4. Oceanography- the study of the earth's oceans.

5.Hydrosphere- is the portion of the earth covered by water.

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