Which of the following choices correctly describes the orbital relationship between earth and the sun?
a. the sun orbits earth in a perfect circle
c. the sun orbits earth in an ellipse, with earth at one focus
b. earth orbits the sun in a perfect circle
d. earth orbits the sun in an ellipse, with the sun at one focus

How long does it take for saturn to orbit the sun?

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Although china’s total economic output, measured by gross domestic product (gdp), is third largest in the world, it is considered a developing nation. what is most likely the most important factor for this designation? a. china’s government spends money on things that do not benefit human development. b. china has a large population, so its gdp per person is only modest. c. china has a strong economy but weak literacy and school attendance rates. d. china’s high rates of disease offset the country's economic gains.