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Geological Time
Test Description: Chapters 12 and 13
Instructions: Answer all questions to get your test result.
1) The largest expanse of time on the geological time scale is the
A
epoch
B
eon
C
period
D
era
2) The era of ancient life iis know as the
A
Mesozoic
B
Paleozoic
C
Cenozoic
D
Precambrian
3) About 88% of Earth's history is with the expanse of time before the Phanerozoic Era called the ___________.
A
Cenozoic
B
Paleozoic
C
Cambrian
D
Precambrian
4) Some continents contain large core area of Precambrian rocks called
A
rifts
B
plates
C
shields
D
plateaus
5) Which of the followig gases was NOT part of Earth's original atmosphere?
A
carbon dioxide
B
water vapor
C
nitrogen
D
oxygen
6) What is the major source of free oxygen in the atmosphere?
A
silicate minerals
B
water
C
molten rock
D
green plants
7) The most common Precambrian fossils are layered mounds of calcium carbonate called
A
prokaryotes
B
tribolites
C
chert
D
stromatolites
8) The Paleozoic era lasted about
A
29 million years
B
292 million years
C
2 billion years
D
2 million years
9) During the early Paleozoic era, South America, Africa, Australia, Antartica, India and perhaps China comprised the vast southern continent of
A
Europe
B
Laurasia
C
Gondwanda
D
Pangea
10) Laurasia was made up of which modern continents
A
North America, Europe and western Asia
B
Africa, South America and eastern Asia
C
North America and South America
D
Europe, South America and Antartica
*select an answer for all questions
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