GS103 quiz 6, answer key

1.Birds are descended from B) dinosaurs.

2.Compared to the inner planets, the outer planets B) rotate more rapidly on their axes.
(They contain MORE (not less) matter in gaseous form!)
3.The magnetization of ocean-floor rocks alternate in direction in strips A) parallel to adjacent mid ocean ridges.
(C) parallel to adjacent continental margins.)
4.Fossils are least likely to be found in D) granite.
5.Planetary rings C) consist of small chunks of rock and ice.
6.The solar wind C) consists of ions streaming from the sun.
Consists of protons (hydrogen ions) and electrons.
7.Meteorites never contain D) limestone fragments.
8.Which of the following is not one of the inner planets? C) Jupiter
9.Meteoroids B) follow orbits around the sun.
10.The San Andreas Fault in California is the result of the Pacific plate moving D) parallel to the North American plate.
11.Evidence suggests that large-scale biological extinctions may have been caused by which one or more of the following? E) Both A and C
12.The two planets of the solar system that do not have satellites are A) Mercury and Venus.
13.Evolution in living things D) is continuing today.
14.A fractured surface in the earth’s crust, one side of which has moved relative to the other, is called a A) fault.
(a fault scarp is a formation on the earth due to earth quakes)
15.If the moon were smaller than it is, total eclipses of the moon would A) never occur.
16.The largest known meteorite has a mass of D) 55,000 kg.
17.Which of the following statements is in accord with present knowledge?
C) Coal originated from plant matter and petroleum from marine life.
18.The planet having a period of rotation nearest the Earth’s is B) Venus.
19.The correct sequence of geologic time divisions from longest to shortest is D) era, period, epoch.
20.Polar ice caps are found on C) Mars.