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| | Environmental scientists and geoscientists |
 | | Geophysicists use the principles of physics, mathematics, and chemistry to study not only the Earth’s surface, but also its internal composition; ground and surface waters; atmosphere; oceans; and magnetic, electrical, and gravitational forces. |
 | | In laboratories, geologists and geophysicists examine the chemical and physical properties of specimens. |
 | | In 2003, the Federal Government’s average salary for geologists in managerial, supervisory, and nonsupervisory positions was $76,389 for geologists, $86,809 for geophysicists, $70,525 for hydrologists, and $79,023 for oceanographers. |
| stats.bls.gov /oco/ocos050.htm (3205 words) |
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