GL101 Exam Preparation Newest Actual Exam With
Complete Verified Questions And Correct Detailed
Answers (Verified Answers) |Already Graded
A+||Newest Exam!!!
Wegener's supercontinent that began to break up about
200 million years ago was named
A) Gondwanaland
B) Laurasia
C) Pangaea
D) Rodinia - Answers-C
According to Wegener, where was southern Africa located
during the Late Paleozoic?
A) up by the north pole
B) 30° south of the equator
C) along the equator
D) over the south pole - Answers-D
The ________ forms the relatively cool, brittle plates of
plate tectonics.
A) asthenosphere
,2|Page
B) lithosphere
C) astrosphere
D) eosphere - Answers-B
A typical rate of lithospheric (tectonic) plate movement is
________.
A) 2 metres per year
B) 0.1 centimetres per year
C) 20 metres per year
D) 5 centimetres per year - Answers-D
New seafloor is created at ________ plate boundaries.
A) convergent
B) divergent
C) transform
D) hot spot - Answers-B
The ________ is the thinnest layer of the Earth.
A) crust
B) outer core
,3|Page
C) mantle
D) inner core - Answers-A
The oceanic crust is made of mafic rock called ________
and is about ________ thick on average.
A) basalt, 7 km
B) marine sedimentary rocks, 25 km
C) basalt, 70 km
D) granite, 35-40 km - Answers-A
The Precambrian (Hadean, Archean and Proterozoic
Eons) accounts for ________.
A) the first 88% of Earth history and the geologic time
scale
B) the segment of geologic time prior to uniformitarianism
taking effect
C) all of the periods after the Permian
D) the first 8% of Earth history - Answers-A
Which sequence is in the correct order through time for
"fossil succession" assuming strata successively from:
Late Precambrian, Cambrian, Silurian, Jurassic, Tertiary
, 4|Page
A) multicelled organisms, hardbodied marine
invertebrates, first land plants, dinosaurs, mammals
B) flowering plants, birds, reptiles, first trees, first fishes,
blue green algae
C) one-celled organisms, first fishes, first amphibians,
reptiles, dinosaurs
D) land plants, insects, marine plants, trilobites, humans -
Answers-A
The ________ theory is the leading hypothesis that
describes the formation of the Sun, Earth, and other
planets of the solar system
A) planoassemblar
B) nebular
C) astrostellar
D) solar flareup - Answers-B
The Earth's core was formed from ________.
A) a massive nickle iron asteroid that was the nucleus
upon which Earth condensed
B) high density radioactive carbon