Approximately How Many Times in One Earth Year Does Mercury

question 506

Multiple Choice

Approximately how many times in one Earth year does Mercury appear at its point of greatest eastern elongation (e.g.,in the western sky at sunset) from Earth? (Review synodic period,Section 2-3 and Table 2-1,Comins,Discovering the Essential Universe,6th ed.)

• A) twice
• B) 4 times
• C) once
• D) 3 times

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Discrimination

Unjust or prejudicial treatment of different categories of people, especially on the grounds of race, age, sex, or disability.

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A specialized department in a hospital that provides immediate treatment for acute illnesses and injuries.

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A system of medical practice that aims to combat disease by using remedies such as drugs or surgery, which produce effects different from those caused by the disease under treatment.