2. On Sol 477 how will Mark’s power meters get energy?
(a) 1-square meter solar cell.
(b) 6-square meter solar cell.
(c) 4-square meter solar cell.
(d) 2-square meter solar cell.

3. When the CO2 level is at what percent is it like being drunk?
(a) 21%.
(b) 11%.
(c) 4%.
(d) 2%.

4. On Sol 435 when Mark tests the bedroom, where does it fail?
(a) Seam where wall meets ceiling.
(b) Seam across the ceiling.
(c) Seam where wall meets floor.
(d) Seam where two sides meets.

5. Where do Vogel and his wife live?
(a) Bremen.
(b) Dusseldorf.
(c) Brandenburg.
(d) Berlin.

6. On what Sol is Mark done with the rover modifications?
(a) 376.
(b) 394.
(c) 384.
(d) 315.

7. On Sol 444, how many sols does Mark report that he spent driving in circles to test the rover?
(a) 7.
(b) 4.
(c) 5.
(d) 6.

8. How many kilometers does Mark have to travel to get to Schiaparelli?
(a) 2,917.
(b) 4,109.
(c) 1,824.
(d) 3,200.

9. In Chapter 15, how many days does Mark estimate his potatoes will last?
(a) 184.
(b) 207.
(c) 115.
(d) 248.

10. How many kilometers did Mark average per sol on his way to Pathfinder?
(a) 75.
(b) 85.
(c) 80.
(d) 70.

11. During the conference in Houston in Chapter 21, at what percent of normal is the sunlight reaching Mars?
(a) 20 percent.
(b) 30 percent.
(c) 25 percent.
(d) 15 percent.

12. Since they extended the mission of the Ares 3, how many days will it last?
(a) 1,134.
(b) 976.
(c) 898.
(d) 753.

13. How many potato plants does Mark have growing on Sol 116?
(a) 371.
(b) 400.
(c) 284.
(d) 200.

14. How many sols was Mark delayed by the dust storm?
(a) 6.
(b) 4.
(c) 5.
(d) 3.

15. What eight-track does Lewis’s husband tell her he purchased?
(a) Beach Boys’ Greatest Hits.
(b) Abba’s Greatest Hits.
(c) Bee Gees’ Greatest Hits.
(d) Aerosmith’s Greatest Hits.