Magellan did NOT find which of these on Venus?
A) impact craters, all larger than five kilometers across
B) large shield volcanoes
C) actual volcanic eruptions in progress
D) coronae, huge but very flat circular features
E) continent sized uplands
C
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Of all the useful alkanes, which petroleum-based
product has molecules that show the largest continuous-chain structure? a) gasoline b) asphalt c) paraffin wax d) kerosene
The principal mineral used in making glass is:
What will be an ideal response?
When an object moves close to the speed of light relative to Earth, what happens to its dimensions compared to what they were before it began moving, as measured by an Earth-based observer?
A) Only lengths parallel to the direction of travel are decreased. B) Only lengths perpendicular to the direction of travel are decreased. C) All lengths are decreased. D) No lengths are affected.
I walk six miles in a straight line in a direction north of east, and I end up four miles north and several miles east. How many degrees north of east have I walked?
a. 19° b. 42° c. 60° d. 71°