Overuse of groundwater in coastal areas would most likely result in which of the following -

The intrusion of salt water into the aquifer

Which about the large rock fragments found in a sedimentary breccias is most likely true?

They did not travel far from their source.

How does basaltic lava frm Hawaiian volcanos compare to pyroclastic material frm Mt.St. Helens?

Basalt has a higher concentration of ferromagnesian minerals

Which best describes the Earth/Sun relationship on the 1st day of summer in the Northern Hemis?

The Sun is directly overhead at local noon at 23.5° north

Answer the following -

extended precipitation followed by warmer weather

All of the following statements relating to fossil record are true EXCEPT -

all fossils are actual remains of past organisms

What is the airflow pattern near the center of a low-pressure system as it moves across the US?

upward and inward in a counterclockwise spiral

Which is commonly formed at continent-continent convergent plate boundaries?

folded and/or faulted mountains

Which of the following best describes cosmic background radiation?

residual radiation from the big bang

According to the theory of plate tectonics, which of the following statements is correct?

crustal plates are destroyed at subduction zones

Which of the following statements about island arcs is correct?

The Aleutians are an example of an island arc.

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Wilk's Earth Science Review #2

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Wilks's Earth Science Review #2 Praxis questions

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Questions 20

Answers

1
Overuse of groundwater in coastal areas would most likely result in which of the following -
Inc. in rate of dissolution of CaCO3 into the groundwater
The intrusion of salt water into the aquifer
the contamination of the aquifer with bacteria
a decrease in the porosity of the aquifer
2
Which about the large rock fragments found in a sedimentary breccias is most likely true?
They did not travel far from their source.
They are composed primarily of calcite.
They were loosened during an earthquake.
They were formed during a drought.
3
How does basaltic lava frm Hawaiian volcanos compare to pyroclastic material frm Mt.St. Helens?
The basalt is more silicic.
the basalt has a lower concentration of olivine.
The basalt contains more light-colored minerals.
Basalt has a higher concentration of ferromagnesian minerals
4
Which best describes the Earth/Sun relationship on the 1st day of summer in the Northern Hemis?
Earth is at its farthest point from the Sun
Sun's perpendicular rays are over the equator @local noon
The Sun is directly overhead at local noon at 23.5° north
Earth is at its closest approach to the Sun
5
"Exotic terranes" would most likely be found in which of the following locations?
Hawaii
The Florida Everglades
Iceland
The west coast of Canada
6
Which of the following is generally NOT associated with midocean ridges?
rift valleys
hydrothermal vents
guyots
fracture zones
7
Which of the following properties of water most accounts for its ability to dissolve many salts
It has high surface tension.
It expands when it freezes.
It has a high heat capacity.
Its molecules are polar.
8
Which area of Virginia do we live?
Coastal Plain
Piedmont
Valley and Ridge
Blue Ridge
9
Answer the following -
rain and sleet followed by clear and cooler weather
extended precipitation followed by warmer weather
hailstorms followed by warmer weather
thunderstorms followed by clear and cooler weather
10
All of the following statements relating to fossil record are true EXCEPT -
many species have become extinct over time.
oldest layers of sedi. rock contain the most ancient fossils
life-forms have changed over time
all fossils are actual remains of past organisms
11
Which is most directly responsible for textural foliation (schistosity) in metamorphic rocks?
low temperature
low pressure
high pressure
high temperature
12
What is the airflow pattern near the center of a low-pressure system as it moves across the US?
downward and inward in a counterclockwise spiral
downward and outward in clockwise spiral
upward and inward in a counterclockwise spiral
upward and outward in a clockwise spiral
13
Which is commonly formed at continent-continent convergent plate boundaries?
island arcs
folded and/or faulted mountains
guyots
oceanic trenches
14
Which of the following best describes cosmic background radiation?
the radiation emitted from matter that enters a black hole
harmful radiation given off by the Sun - atm. usually blocks
residual radiation from the big bang
most dangerous radiation given off dur. supernova explosions
15
According to the theory of plate tectonics, which of the following statements is correct?
midocean ridges & cont. rifts form@converg. plate boundaries
Earthquakes occur most freq. in the center of crustal plates
crustal plates are destroyed at subduction zones
Earth's crust is one solid plate
16
Which of the following is associated with the end of the Cretaceous period?
the last ice age
the formation of Pangaea
the evolution of the first mammals
mass extinctions
17
Which best explains that many low-lying islands are suffering from increased flooding?
volcanic eruptions
urban sprawl
movement of tectonic plates
rising sea levels
18
Which of the following statements about island arcs is correct?
The Aleutians are an example of an island arc.
They generally form far from plate boundaries.
The only lava produced at island arcs is basalt.
They rarely have earthquakes associated with them.
19
Which is responsible for the movement along a strike-slip fault such as the San Andreas Fault?
gravity
compression
shearing
tension
20
Which of the following types of seawater has the greatest density?
warm, with high salinity
cold, with high salinity
cold, with low salinity
warm, with low salinity

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