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midterm_glg130_2005 - Name_Student GLG 13OS MID-TERM-23...

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Name:___________________________Student #______________________________ GLG 13OS _ MID-TERM -23 February 2005 Time: 1.10-2.00pm Maximum Time: 50 minutes Total number of pages: 3 Total number of Questions: 28 Maximum Marks for Mid Term: 40 Weightage for Grade: 35% For the multiple choice questions, each has four (4) choices - circle the most correct answer. At the end of each question marks are given in square brackets. Some questions are worth more than I unit. Be sure to record your last name, initials and student ID # on each page. ________________________________________________________________ 1. What multiple of the Earth's radius is the radius of the Moon? [1] (a) 0.17; (b) 0.27; (c) 0.37; (d) 0.47 2. Complex Craters have diameters in the range of 60-100 km. List three typical features of such complex craters. [2] (a) (b) (c) 3. What is the cause of the formation of craters on the Moon? [1] 4. The principal rock type of the high albedo - lunar highlands are: [1] 5. The lunar highland rocks are enriched in which two elements compared to the lunar mare? [1] (a) Ca, Al (b) Mg, Fe (c) Ca, Fe, (d) Mg, Al 6. Concisely describe the (4) principal stages in which the moon is currently thought to
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