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| English | Spanish |
| Earth-Sun relationship The Earth depends on the sun for its existence as a planet hospitable to life, and solar energy is the major factor determining the climate. Hence, conditions on the sun and conditions on Earth are inextricably linked. Although the sun's rays may appear unchanging, its radiation does vary. Many scientists suspect that sunspot activity has a greater influence on climatic change than variations attributed to the greenhouse effect | Relaciones tierra-sol |
| sun bear | oso malayo (Helarctos malayanus) |
| sun bear | oso de los cocoteros (Helarctos malayanus) |
| sun plant | planta de sol |
| sun plant | planta de luz |