es ricardo salas Word Scramble
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| Term | Definition |
| astronomy | study of objects beyond Earth's atmosphere |
| meteorology | the study of the atmosphere which is the air surrounding earth. |
| geology | Study of materials that make up earth and the processes that form and change these materials and the history of the planet and its life-forms since its origin. |
| oceanography | study of earth's oceans including he creatures that inhabit itss waters its physical and chemical properties and the effects of human activities. |
| environmental science | study of the interactions of humans with environment. |
| geosphere | the part of earth from its surface to its center |
| atmosphere | blanket of gases surrounding earth that contains about 78 percent nitrogen 21 percent oxygen and 1 percent other gases such as argon carbon dioxide and water vapor. |
| hydrosphere | all the water in earth's oceans lakes seas rivers and glaciers plus all the water in the atmosphere. |
| biosphere | all of earth's organisms and the environments in which they live. |
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ricardo salas
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