Geology 101 - Physical Geology » Fall 2020 » Deserts
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Question #1
What is the driest place on Earth?
A.
Atacama Desert, Chile
B.
Sahara Desert, North Africa
C.
Death Valley, California
D.
Great Sandy Desert, Australia
Question #2
How much does it rain here on average per year?
A.
A little less than 1 meter per year
B.
It has never rained here
C.
A little less than 1 millimeter per year
D.
2-3 meters per year
E.
A little less than 1 centimeter per year
Question #3
Where do most deserts occur?
A.
Tropic of Capricorn
B.
Tropic of Cancer
C.
The equator
D.
The Furious Forties
E.
Both A and B
Question #4
What is the significance of the gypsum bed of boulders?
A.
It shows there hasn’t been any heavy rain since it formed
B.
It shows that the land is subsiding
C.
It shows the presence of an ancient ocean
D.
It shows that magma has upwelled here in the recent past
Question #5
What provides the age of the gypsum beds?
A.
Thermo luminescence
B.
Fossils
C.
Radiometric decay rates
D.
Greenschist
Question #6
What is the age of the Atacama Desert?
A.
15 million years
B.
1 million years
C.
242-250 million years
D.
50 million years
E.
150 million years
F.
225 million years
Question #7
How old are the extinct coastal zone volcanoes?
A.
405 million years
B.
19 million years
C.
50 million years
D.
195 million years
E.
225 million years
Question #8
When did the Andes first form?
A.
50 million years ago
B.
350 million years ago
C.
150 million years ago
D.
10 million years ago
E.
5 million years ago
F.
316 million years ago
Question #9
How does the copper deposits relate back to the Atacama Desert?
A.
It actually does not relate it is just a coincidence
B.
The Atacama formed from a massive volcanic eruption and the volcano left the copper in its wake.
C.
Because of the lack of rain fall, there is no way means to rust or erode the copper.
D.
Copper accumulates as a salt deposit in hot dry locations.
Question #10
What is the temperature difference between Atacama and Death Valley?
A.
15 degrees
B.
20 degrees
C.
30 degrees
D.
40 degrees
E.
25 degrees
F.
35 degrees
Question #11
How does the Humboldt Current make the Atacama Desert so dry?
A.
The current comes from Antarctica, bringing warm water that dries out preventing rain
B.
It brings cold water from Antarctica that creates a cold fog, then hot air moves above it, and this prevents air flow making it near impossible to rain in Atacama Desert.
C.
The current comes from the equator, bringing cold water that creates a cold fog, then hot air moves above it, and this prevents air flow making it near impossible to rain in Atacama Desert.
D.
The current blocks any storms from moving in off the ocean into the landmass.
Question #12
What happens in the Mojave Desert when it rains?
A.
Flash floods
B.
Volcanic eruption
C.
Nothing there is so little rain to begin with
D.
It is so hot all the water evaporates before it hits the ground
E.
The sudden impact causes earthquakes
Question #13
How does Evenstar determine the age of the rocks in the Atacama Desert?
A.
Radiometric Carbon 14
B.
How much Argon and Neon is present in the granites
C.
How much Helium 3 is inside pyroxenes
D.
How much Potassium 40 is inside orthoclase feldspar
Question #14
How long have the oldest boulders been at their current position?
A.
167 million years
B.
2 million years
C.
57 million years
D.
3,000 years
E.
23 million years
F.
117 million years
Question #15
What is the same age as these boulders?
A.
The Torval Mountains
B.
The Andes Mountains
C.
The Humboldt Current
D.
The California Current
E.
The Philippines
Question #16
The rain shadow effect relates back to?
A.
Oceans
B.
Rivers
C.
Mountains
D.
Lakes
Question #17
How old is the grass in the nest?
A.
over 119,000 years old
B.
100 years old
C.
19 million years old
D.
over 16,000 years old
E.
over 11,000 years old
Question #18
What did NASA scientists find in 2005?
A.
A source of uranium
B.
An unknown species of kangaroo rat
C.
A meteorite impact
D.
A green micro-organisms living in a rock
Question #19
What is the only source of water?
A.
Animal urine
B.
Fog
C.
Salt
D.
Waste from airplanes
Question #20
What can salt due to this water source?
A.
It limits the flow of surface water
B.
It blocks water from entering the desert
C.
It extracts water vapor from the atmosphere and sucks it into the rock
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