The radius of the Earth's orbit is 1.50 1011 m and that of Mercury is 5.81 1010 m. The star that this planet orbits is identical to our Sun. What is the orbital period of this planet?

5. what is a red giant? can our sun become a red giant? why or why not?

Read the article titled "trans-saharan migration routes to north africa and the eu: historical roots and current trends." why do tens of thousands of sub-saharan africans try to cross the mediterranean each year? how are these refugees commonly portrayed? (site 1)

Iceland has taken advantage of its geology to meet a. political needs b. energy needs c. cultural needs d. economic needs answer b. energy needs