Geography and Earth Sciences

Under similar warm, moist climatic conditions, why would basalt and gabbro gener

Under similar warm, moist climatic conditions, why would basalt and gabbro gener

Under similar warm, moist climatic conditions, why would basalt and gabbro generally have higher chemical weathering rates than rhyolite and granite?
A) The quartz in the gabbro and basalt decomposes very quickly.
B) The ferromagnesian mine

MrDereche   8999   1 Reply

milestone23

Which process is thought the generate most felsic magmas?

Which process is thought the generate most felsic magmas?

Which process is thought the generate most felsic magmas?
A) Decompression melting in a continental rift zone
B) Crystal settling during magmatic differentiation
C) Heat from basaltic magma partially melting overlying crust
D) Com

barry   8837   3 Replies

savio

Russia's "command economy" was established by which Soviet leader?

Russia's "command economy" was established by which Soviet leader?

Russia's "command economy" was established by which Soviet leader?
A) Lenin
B) Gorbachev
C) Yeltsin
D) Putin
E) Stalin

Think   7505   3 Replies

GeoExp

Which of the following energy sources is thought to drive the lateral motions of

Which of the following energy sources is thought to drive the lateral motions of

Which of the following energy sources is thought to drive the lateral motions of Earth's lithospheric plates?
A) gravitational attractive forces of the Sun and Moon
B) electrical and magnetic fields localized in the inner core
C)

MrDereche   6753   1 Reply

Lilligant

In human-dominated ecosystems, which of the following features is often lacking?

In human-dominated ecosystems, which of the following features is often lacking?

In human-dominated ecosystems, which of the following features is often lacking?
A) An ecosystem's ability to grow sufficient food
B) Homeostatic regulation
C) The presence of sufficient human infrastructure
D) The presence o

barry   6249   5 Replies

barry

Which country gets approximately 97% of its drinking water through the process o

Which country gets approximately 97% of its drinking water through the process o

Which country gets approximately 97% of its drinking water through the process of desalinization?
A) Israel
B) Yemen
C) Iraq
D) Egypt
E) Qatar

Think   5507   4 Replies

bijoy sharky

Which of the four spheres of Earth is the most extensive?

Which of the four spheres of Earth is the most extensive?

Which of the four spheres of Earth is the most extensive?
A) Geosphere
B) Atmosphere
C) Hydrosphere
D) Biosphere

barry   5109   2 Replies

barry

Cooler, older, oceanic lithosphere sinks into the mantle at ________.

Cooler, older, oceanic lithosphere sinks into the mantle at ________.

Cooler, older, oceanic lithosphere sinks into the mantle at ________.
A) subduction zones along convergent plate boundaries
B) transform fault zones along divergent plate boundaries
C) rift zones along mid-ocean ridges
D) sites of

MrDereche   5064   1 Reply

Lilligant

A very long-lived magma source located deep in the mantle is called a ________.

A very long-lived magma source located deep in the mantle is called a ________.

A very long-lived magma source located deep in the mantle is called a ________.
A) magma welt
B) basalt spout
C) melt well
D) hot spot

MrDereche   4904   1 Reply

Lilligant

In a grassland ecosystem, where is the most chemical energy located?

In a grassland ecosystem, where is the most chemical energy located?

A) Decomposers
B) 1st trophic level
C) 2nd trophic level
D) 3rd trophic level
E) 4th trophic level

couponowl18   4720   1 Reply

bio_man

The altitude at which rising air reaches the dew point temperature is the ______

The altitude at which rising air reaches the dew point temperature is the ______

The altitude at which rising air reaches the dew point temperature is the ________.
A) lifting condensation level
B) upslope fog
C) precipitation level
D) isohyet
E) adiabat

Wrogue   4501   3 Replies

GeoExp

The Greek classification of climate included all but ________.

The Greek classification of climate included all but ________.

The Greek classification of climate included all but ________.
A) the torrid zone
B) the temperate zone
C) the frigid zone
D) a knowledge of longitude
E) a knowledge of latitude

Wrogue   4438   4 Replies

Kayla Gustafson

In what two areas are the youngest mountain ranges found today?

In what two areas are the youngest mountain ranges found today?

In what two areas are the youngest mountain ranges found today?
A) The Circum-Atlantic belt and Southern Europe/Asia
B) Western South America and the Appalachians of North America
C) The Circum-Pacific belt and Southern Europe/Asia

barry   4332   2 Replies

barry

The main power of water in a channel is related to its ________.

The main power of water in a channel is related to its ________.

The  main power of water in a channel is related to its ________.
A) viscosity and velocity
B) slope and temperature
C) slope and discharge
D) discharge and viscosity
E) velocity and temperature

bromonox   4264   2 Replies

bromonox

Which of the following would be MOST variable at your location on a day-to-day b

Which of the following would be MOST variable at your location on a day-to-day b

Which of the following would be MOST variable at your location on a day-to-day basis?
A) oxygen
B) nitrogen
C) carbon dioxide
D) water vapor
E) ozone

Wrogue   4230   3 Replies

GeoExp

When an earthquake occurs, energy radiates in all directions from its source. Th

When an earthquake occurs, energy radiates in all directions from its source. Th

When an earthquake occurs, energy radiates in all directions from its source. The source is also referred to as the ________.
A) inertial point
B) epicenter
C) focus
D) seismic zone

MrDereche   4132   1 Reply

Lilligant

A ________ is a part of the craton that is covered by a thin veneer of sedimenta

A ________ is a part of the craton that is covered by a thin veneer of sedimenta

A ________ is a part of the craton that is covered by a thin veneer of sedimentary rocks.
A) Shield
B) Continental Shelf
C) Platform
D) Plateau

barry   4087   2 Replies

barry

Linear, magnetic patterns associated with mid-ocean ridges are configured as ___

Linear, magnetic patterns associated with mid-ocean ridges are configured as ___

Linear, magnetic patterns associated with mid-ocean ridges are configured as ________.
A) concentric circles about a rising plume of hot mantle rocks and magma
B) reversed magnetizations along the rift valleys and normal magnetizations alon

MrDereche   3967   1 Reply

Lilligant

What property of the crust allowed it to form as the exterior of Earth?

What property of the crust allowed it to form as the exterior of Earth?

What property of the crust allowed it to form as the exterior of Earth?
A) Magma at the surface cooled and crystallized before anything in the interior
B) Materials that make up the crust are less dense and rose to the top
C) Churning

barry   3924   2 Replies

barry

If the temperature in the Earth generally increases with depth, how is it possib

If the temperature in the Earth generally increases with depth, how is it possib

If the temperature in the Earth generally increases with depth, how is it possible that the Inner Core is a solid?
A) Temperatures increase to a certain point before leveling off below the melting point of the core
B) The pressures in the c

barry   3907   2 Replies

barry

Examine the figure. At the center of this object, a cosmologist would expect to find ________.

Examine the figure. At the center of this object, a cosmologist would expect to find ________.

Examine the figure. At the center of this object, a cosmologist would expect to find ________.
A) a black hole or neutron star
B) a red giant
C) a protostar or nebula
D) a barred spiral galaxy

12

Earthy   3891   27 Replies

savannah garza

What three components make up most magmas?

What three components make up most magmas?

What three components make up most magmas?
A) Silicon, Potassium Feldspar, and Muscovite
B) Water, Melted Rock, and Solid Crystals
C) Lava, Ash, and Gas
D) Liquid Portion, Solid Portion, Gaseous Portion

barry   3802   2 Replies

barry

A ________ is a solid, naturally occurring, cohesive substance composed of miner

A ________ is a solid, naturally occurring, cohesive substance composed of miner

A ________ is a solid, naturally occurring, cohesive substance composed of minerals or mineral-like materials.
A) Tetrahedron
B) Mineral
C) Rock
D) Mixture

barry   3746   2 Replies

barry

Slate is ________ than shale. (Multiple Choice)

Slate is ________ than shale. (Multiple Choice)

Slate is ________ than shale.
A) darker
B) lighter
C) denser
D) more planar

bromonox   3741   2 Replies

bromonox

When forested land is turned into new cropland, it is most often limited by the

When forested land is turned into new cropland, it is most often limited by the

a.   
 hydrogen

b.   
carbon

c.   
 oxygen

d.   
 nitrogen

e.   
 phosphorus

blaps   3734   1 Reply

bio_man

Aeolian processes refer to those involving ________.

Aeolian processes refer to those involving ________.

Aeolian processes refer to those involving ________.
A) running water
B) ice
C) wind
D) groundwater
E) chemical weathering

Wrogue   3654   3 Replies

padre

________ is the study of mineral materials.

________ is the study of mineral materials.

________ is the study of mineral materials.
A) Mineralogy
B) Lithology
C) Mineralosophy
D) Historical Geology

barry   3640   2 Replies

barry

The ________ is a layer of liquid nickel and iron believed to be responsible for

The ________ is a layer of liquid nickel and iron believed to be responsible for

The ________ is a layer of liquid nickel and iron believed to be responsible for generating the Earth's magnetic field.
A) Crust
B) Mantle
C) Outer Core
D) Inner Core

barry   3612   2 Replies

barry

Which city became the center of trade with Latin America during Southeast Asia's

Which city became the center of trade with Latin America during Southeast Asia's

Which city became the center of trade with Latin America during Southeast Asia's mercantile period?
A) Goa
B) Bangkok
C) Manila
D) Singapore
E) Batavia

Think   3584   4 Replies

Sydney Tuttle

The ________ is an example of an active, continent-continent collision.

The ________ is an example of an active, continent-continent collision.

The ________ is an example of an active, continent-continent collision.
A) Arabian Peninsula slamming into North Africa under the Red Sea
B) westward movement of the South American plate over the Nazca plate
C) northern movement of Baj

MrDereche   3574   1 Reply

Lilligant

Air is best described as a(n) ________.

Air is best described as a(n) ________.

Air is best described as a(n) ________.
A) chemical compound
B) element
C) mixture
D) colloid
E) particulate

Wrogue   3535   3 Replies

GeoExp

The three climate zones of the classical Greeks were "torrid," "temperate," and

The three climate zones of the classical Greeks were "torrid," "temperate," and

The three climate zones of the classical Greeks were "torrid," "temperate," and "________."
A) Arctic
B) cold
C) warm
D) equatorial
E) frigid

Wrogue   3533   4 Replies

malel_17

An echo sounder operates by measuring the time required for a ________.

An echo sounder operates by measuring the time required for a ________.

An echo sounder operates by measuring the time required for a ________.
A) light beam to travel from a satellite at a known altitude to the sea bottom and back
B) radar beam to travel from a harbor patrol boat to a fuzz-buster on a speeding

MrDereche   3500   1 Reply

Lilligant

Inselbergs are associated with ________ landscapes.

Inselbergs are associated with ________ landscapes.

Inselbergs are associated with ________ landscapes.
A) loess
B) mesa-and-scarp
C) basin-and-range
D) desert plain
E) karst

Wrogue   3497   3 Replies

padre

The African Sahel is a belt of semiarid savanna south of the ________ desert.

The African Sahel is a belt of semiarid savanna south of the ________ desert.

The African Sahel is a belt of semiarid savanna south of the ________ desert.
A) Sahara
B) Namib
C) Kalahari
D) Gobi
E) Great Sandy

Think   3487   3 Replies

GeoExp

How do we come up with the age of Miocene for the volcanic plug? I

How do we come up with the age of Miocene for the volcanic plug? I

 How do we come up with the age of Miocene for the volcanic plug? I

tdktwan   3444   N/A

tdktwan

The "mistral", "taku", "bora" are regional names for a gravity flow wind which i

The "mistral", "taku", "bora" are regional names for a gravity flow wind which i

The "mistral", "taku", "bora" are regional names for a gravity flow wind which is properly termed a ________ wind.
A) sea breeze
B) Hadley cell
C) monsoon
D) katabatic
E) foehn

Wrogue   3402   2 Replies

Wrogue

Which of the following is a major source of nitrogen in the atmosphere? 8)

Which of the following is a major source of nitrogen in the atmosphere? 8)

Which of the following is a major source of nitrogen in the atmosphere? 8) A) the breakdown of ozone B) meteorite collisions C) chlorofluorocarbons D) photosynthesis E) decay of plants

jestrada12   3365   1 Reply

alyssa_19

About ________ percent of Africa is still forested.

About ________ percent of Africa is still forested.

About ________ percent of Africa is still forested.

Keychain726   3357   1 Reply

bio_man

The major difference between floods in humid regions and in dry regions is ________.

The major difference between floods in humid regions and in dry regions is ________.

The major difference between floods in humid regions and in dry regions is ________.
A) in dry regions, flooding lasts much longer than in humid regions because the water cannot soak into the baked desert soil.
B) in dry regions, flooding i

drelog   3337   8 Replies

greman