2. The word accumulated in line 6 is closest in meaning to.
(A) spread out
(B) changed
(C) became denser
(D) built up
3. According to the passage , the drilling of the glacier in eastern Antarctica was important
because it
(A) allowed scientists to experiment with new drilling techniques
(B) permitted the study of surface temperatures in an ice-covered region of Earth
(C) provided insight about climate conditions in earlier periods
(D) confirmed earlier findings about how glaciers are formed
4. The phrase tantamount to in line 7 is closest in meaning to
(A) complementary to
(B) practically the same as
(C) especially well suited to
(D) unlikely to be confused with
5. According to the passage , Grenoble, France, is the place where
(A) instruments were developed for measuring certain chemical elements
(B) scientists first recorded atmospheric levels of carbon dioxide
(C) scientists studied the contents of an ice core from Antarctica
(D) the relationship between carbon dioxide and temperature was discovered
6. According to the passage , scientists used isotopes from the water of the ice core to determine
which of following?
(A) The amount of air that had bubbled to the surface since the ice had formed
(B) The temperature of the atmosphere when the ice was formed
(C) The date at which water had become locked in the glacier
(D) The rate at which water had been frozen in the glacier
7. The word remarkable in line 14 is closest in meaning to
(A) genuine
(B) permanent
(C) extraordinary
(D) continuous
8. The word link in line 23 is closest in meaning to
(A) tension
(B) connection
(C) attraction
(D) distance
9. The passage implies that the warmest temperatures among the periods mentioned occurred
(A) in the early eighteenth century
(B) 160,000 years ago
(C) at the end of each ice age
(D) between 360 and 285 million years ago
10. According to the passage , the Carboniferous period was characterized by
(A) a reduction in the number of coal deposits
(B) the burning of a large amount of coal
(C) an abundance of plants
(D) an accelerated rate of glacier formation
11. The passage explains the origin of which of the following terms?
(A) glacier (line 5)
(B) isotopes (line 11)
(C) Industrial Revolution (line 21)
(D) Carboniferous period (lines 26)
PASSAGE 99 CDCBC BCBAC D
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