Biomass energy is w) formed through photosynthesis x) caused by heat due to the large mass of the Earth y) has been used for only a few years z) the predominant source of commercial heat energy in the northern regions of the United States

Biomass energy is w) formed through photosynthesis x) caused by heat due to the large mass of the Earth y) has been used for only a few years z) the predominant source of commercial heat energy in the northern regions of the United States
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ANSWER: W -- FORMED THROUGH PHOTOSYNTHESIS
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Biomass energy is: w) formed through photosynthesis x) caused by heat due to the large mass of the earth y) has been used for only a few years z) is effective in only certain regions of the United States

Description : Biomass energy is: w) formed through photosynthesis x) caused by heat due to the large mass of the earth y) has been used for only a few years z) is effective in only certain regions of the United States 

Last Answer : ANSWER: W -- FORMED THROUGH PHOTOSYNTHESIS 

Coal is believed to have been principally formed in which of the following types of environment? w) river beds x) swamps y) volcanic regions z) deserts

Description : Coal is believed to have been principally formed in which of the following types of environment? w) river beds x) swamps y) volcanic regions z) deserts

Last Answer : ANSWER: X -- SWAMPS

Which of the following number of years best approximates the length of time since the last ice age in the United States? w) 1,000,000 x) 1,000 y) 11,000 z) 250,000

Description : Which of the following number of years best approximates the length of time since the last ice age in the United States? w) 1,000,000 x) 1,000 y) 11,000 z) 250,000

Last Answer : ANSWER: Y -- 11,000

Of the energy used in the United States, about wha percent is provided by hydroelectric power? w) 4% x) 20% y) 50% z) 75%

Description : Of the energy used in the United States, about wha percent is provided by hydroelectric power? w) 4% x) 20% y) 50% z) 75%

Last Answer : ANSWER: W -- 4%

The Greenhouse Effect is caused primarily by which of the following processes? w) blocking incoming short wave solar energy x) absorbing incoming short wave solar energy y) heating of the Earth's stratosphere z) absorbing outgoing long wave radiation from the Earth

Description : The Greenhouse Effect is caused primarily by which of the following processes? w) blocking incoming short wave solar energy x) absorbing incoming short wave solar energy y) heating of the Earth's stratosphere z) absorbing outgoing long wave radiation from the Earth

Last Answer : ANSWER: Z -- ABSORBING OUTGOING LONG WAVE RADIATION FROM THE EARTH 

The approximate average yearly rainfall in centimeters for the United States is: w) 25 centimeters x) 50 centimeters y) 75 centimeters z) 100 centimeters

Description : The approximate average yearly rainfall in centimeters for the United States is: w) 25 centimeters x) 50 centimeters y) 75 centimeters z) 100 centimeters

Last Answer : ANSWER: Y -- 75 CENTIMETERS

Of the following states, the principal bituminous coal producing state in the United States is: w) Tennessee x) Illinois y) Pennsylvania z) West Virginia

Description : Of the following states, the principal bituminous coal producing state in the United States is: w) Tennessee x) Illinois y) Pennsylvania z) West Virginia

Last Answer : ANSWER: Z -- WEST VIRGINIA 

Which of the following time periods describes the age of the coal deposits of the Eastern United States? w) Jurassic and Cambrian x) Mississippian and Pennsylvanian y) Pliocene and Miocene z) none of these

Description : Which of the following time periods describes the age of the coal deposits of the Eastern United States? w) Jurassic and Cambrian x) Mississippian and Pennsylvanian y) Pliocene and Miocene z) none of these

Last Answer : ANSWER: X -- MISSISSIPPIAN AND PENNSYLVANIAN

The deposits of loess in the United States probabl originated as which of the following? w) talus x) rock flour y) humus z) geyserite

Description : The deposits of loess in the United States probabl originated as which of the following? w) talus x) rock flour y) humus z) geyserite

Last Answer : ANSWER: X -- ROCK FLOUR

The ice sheet that covered northeastern United States came from which of the following locations? w) Labrador center in eastern Canada x) Keewatin center in central Canada y) Cordilleran center in the Rocky Mountains z) Greenland

Description : The ice sheet that covered northeastern United States came from which of the following locations? w) Labrador center in eastern Canada x) Keewatin center in central Canada y) Cordilleran center in the Rocky Mountains z) Greenland

Last Answer : ANSWER: W -- LABRADOR CENTER IN EASTERN CANADA

Which animal is the center of the timber-harvest controversy in the Pacific Northwest? w) blackfooted ferret x) California condor y) northern spotted owl z) gray wolf

Description : Which animal is the center of the timber-harvest controversy in the Pacific Northwest? w) blackfooted ferret x) California condor y) northern spotted owl z) gray wolf

Last Answer : ANSWER: Y -- NORTHERN SPOTTED OWL

The air around a high pressure area circulates: w) clockwise in the Northern Hemisphere x) counterclockwise in the Northern Hemisphere y) clockwise in the Southern Hemisphere z) in either direction regardless of hemisphere

Description : The air around a high pressure area circulates: w) clockwise in the Northern Hemisphere x) counterclockwise in the Northern Hemisphere y) clockwise in the Southern Hemisphere z) in either direction regardless of hemisphere

Last Answer : ANSWER: W -- CLOCKWISE IN THE NORTHERN HEMISPHERE 

In which of these states can large numbers of drumlins be found? w) Oregon x) California y) Texas z) Wisconsin

Description : In which of these states can large numbers of drumlins be found? w) Oregon x) California y) Texas z) Wisconsin 

Last Answer : ANSWER: Z -- WISCONSIN 

In an ocean, the upper layer of water with sufficient light penetration to support photosynthesis by aquatic plants i known as the: w) free zone x) plant zone y) photic zone z) primary zone

Description : In an ocean, the upper layer of water with sufficient light penetration to support photosynthesis by aquatic plants i known as the: w) free zone x) plant zone y) photic zone z) primary zone

Last Answer : ANSWER: Y -- PHOTIC ZONE

To what does the atmosphere's "greenhouse effect" refer to? w) the fact that ozone reflects ultraviolet radiation x) the fact that air prevents heat from leaving the earth y) the fact that clouds prevent sunlight from reaching the earth z) the fact that green plants use sunlight to produce food

Description : To what does the atmosphere's "greenhouse effect" refer to? w) the fact that ozone reflects ultraviolet radiation x) the fact that air prevents heat from leaving the earth y) the fact that clouds prevent sunlight from reaching the earth z) the fact that green plants use sunlight to produce food

Last Answer : ANSWER: X -- THE FACT THAT AIR PREVENTS HEAT FROM LEAVING THE EARTH 

You are flying between Chicago and San Francisco on a commercial jet. The pilot comes on the public address system and announces that the plane's cruising altitude is 40,000 feet. At this altitude are you in the: w) troposphere x) stratosphere y) ozonosphere z) chemosphere

Description : You are flying between Chicago and San Francisco on a commercial jet. The pilot comes on the public address system and announces that the plane's cruising altitude is 40,000 feet. At this altitude are you in the: w) troposphere x) stratosphere y) ozonosphere z) chemosphere

Last Answer : ANSWER: X -- STRATOSPHERE

The earth's climate has been warming since the las glacial period which ended about how many years ago? w) 1,000 to 2,000 years ago x) 10,000 to 20,000 years ago y) 100,000 to 200,000 years ago z) 1,000,000 to 2,000,000 years ago

Description : The earth's climate has been warming since the las glacial period which ended about how many years ago? w) 1,000 to 2,000 years ago x) 10,000 to 20,000 years ago y) 100,000 to 200,000 years ago z) 1,000,000 to 2,000,000 years ago

Last Answer : ANSWER: X -- 10,000 TO 20,000 YEARS AGO

What is the name of the white clay which has been used for thousands of years in the fabrication of ceramic bodies? Is it: w) Talc x) Kaolin y) Feldspar z) Quartz

Description : What is the name of the white clay which has been used for thousands of years in the fabrication of ceramic bodies? Is it: w) Talc x) Kaolin y) Feldspar z) Quartz

Last Answer : ANSWER: X -- KAOLIN

Which of the following minerals is a source of lead? w) Bauxite x) Hematite y) Malachite z) Galena

Description : Which of the following minerals is a source of lead? w) Bauxite x) Hematite y) Malachite z) Galena

Last Answer : ANSWER: Z -- GALENA

Which of the following minerals is a source of copper? w) Bauxite (pron: box-ite) x) Hematite y) Malachite z) Galena

Description : Which of the following minerals is a source of copper? w) Bauxite (pron: box-ite) x) Hematite y) Malachite z) Galena

Last Answer : ANSWER: Y -- MALACHITE

Which of the following mountain ranges was formed during the Mesozoic era? w) Rocky Mountains x) Cascades y) Appalachian z) Sierra Nevada

Description : Which of the following mountain ranges was formed during the Mesozoic era? w) Rocky Mountains x) Cascades y) Appalachian z) Sierra Nevada

Last Answer : ANSWER: Z -- SIERRA NEVADA

Valleys formed by glaciers always have which of the following characteristics? w) U-shaped cross sections x) straight courses y) uniform slopes z) bedrock floors

Description : Valleys formed by glaciers always have which of the following characteristics? w) U-shaped cross sections x) straight courses y) uniform slopes z) bedrock floors

Last Answer : ANSWER: W -- U-SHAPED CROSS SECTIONS

Rocks formed in layers are said to be: w) crystalline x) stratified y) chemical z) metamorphosed

Description : Rocks formed in layers are said to be: w) crystalline x) stratified y) chemical z) metamorphosed

Last Answer : ANSWER: X -- STRATIFIED

According to the French scientist Buffon, the solar system formed when our sun w) was first formed x) collided with a comet y) began to cool down z) began to expand.

Description : According to the French scientist Buffon, the solar system formed when our sun w) was first formed x) collided with a comet y) began to cool down z) began to expand.

Last Answer : ANSWER: X -- COLLIDED WITH A COMET 

Which of the following mountain ranges were formed as a result of volcanic action? w) Appalachians x) Teton Range y) Front Range z) Cascade Range

Description : Which of the following mountain ranges were formed as a result of volcanic action? w) Appalachians x) Teton Range y) Front Range z) Cascade Range

Last Answer : ANSWER: Z -- CASCADE RANGE

What type of rocks are formed as a result of volcanic activity? w) metamorphic x) sedimentary y) igneous z) Hudson

Description : What type of rocks are formed as a result of volcanic activity? w) metamorphic x) sedimentary y) igneous z) Hudson

Last Answer : ANSWER: Y -- IGNEOUS

In the nebular hypothesis, each planet is formed from which of the following? w) a comet x) a number of moons y) a passing star z) a ring of gas

Description : In the nebular hypothesis, each planet is formed from which of the following? w) a comet x) a number of moons y) a passing star z) a ring of gas

Last Answer : ANSWER: Z -- A RING OF GAS

The curved body of water formed when a meandering river reshapes and cuts off one of its bends is called: w) an Essing pond x) an Oxbow lake y) a Swensen pool z) a Groovy pool

Description : The curved body of water formed when a meandering river reshapes and cuts off one of its bends is called: w) an Essing pond x) an Oxbow lake y) a Swensen pool z) a Groovy pool

Last Answer : ANSWER: X -- AN OXBOW LAKE

Which one of these glacial features is believed to have formed in the bed of a subglacial stream? w) an esker x) a kame y) a drumlin z) a moraine

Description : Which one of these glacial features is believed to have formed in the bed of a subglacial stream? w) an esker x) a kame y) a drumlin z) a moraine

Last Answer : ANSWER: W -- AN ESKER

Iceland has a great deal of volcanic activity. The reason for this is: w) it was formed above a mid-ocean rift. x) it is part of the "Ring of Fire". y) two tectonic plates are rubbing against each other under Iceland. z) the American plate is diving under the European plate in this region.

Description : Iceland has a great deal of volcanic activity. The reason for this is: w) it was formed above a mid-ocean rift. x) it is part of the "Ring of Fire". y) two tectonic plates are rubbing against each other under Iceland. z) the American plate is diving under the European plate in this region.

Last Answer : ANSWER: W -- IT WAS FORMED ABOVE A MID-OCEAN RIFT.

The principal aquifer of the artesian wells of Florida is a: w) porous sandstone x) fissured limestone y) series of clay beds z) mass of pumice

Description : The principal aquifer of the artesian wells of Florida is a: w) porous sandstone x) fissured limestone y) series of clay beds z) mass of pumice

Last Answer : ANSWER: X -- FISSURED LIMESTONE

Cloud droplets unite most easily to form raindrops in clouds containing which of the following substances? w) ozone x) plant pollen y) carbon tetrachloride z) large salt crystals

Description : Cloud droplets unite most easily to form raindrops in clouds containing which of the following substances? w) ozone x) plant pollen y) carbon tetrachloride z) large salt crystals

Last Answer : ANSWER: Z -- LARGE SALT CRYSTALS

When the difference in the temperature of the wet-bulb thermometer and dry-bulb thermometer is large, what does it indicate about the air? w) it is very dry x) it is nearly saturated y) it is very warm z) it is very cold

Description : When the difference in the temperature of the wet-bulb thermometer and dry-bulb thermometer is large, what does it indicate about the air? w) it is very dry x) it is nearly saturated y) it is very warm z) it is very cold

Last Answer : ANSWER: W -- IT IS VERY DRY

When the front of a glacier is stationary for a long time, the glacier will do which of the following? w) form many crevasses x) melt away y) not erode its bed z) build a large terminal moraine

Description : When the front of a glacier is stationary for a long time, the glacier will do which of the following? w) form many crevasses x) melt away y) not erode its bed z) build a large terminal moraine

Last Answer : ANSWER: Z -- BUILD A LARGE TERMINAL MORAINE

Large streams that enter a standing body of water produce which of the following geological features at their mouths? w) deltas x) load casts y) anticlines z) sync (pron: sink)

Description : Large streams that enter a standing body of water produce which of the following geological features at their mouths? w) deltas x) load casts y) anticlines z) sync (pron: sink)

Last Answer : ANSWER: W -- DELTAS

The lag time between precipitation period and peak discharge period of a river: w) is increased by urbanization x) is decreased by urbanization y) is shorter for a large drainage basin than for a small one z) depends upon the hydraulic heads

Description : The lag time between precipitation period and peak discharge period of a river: w) is increased by urbanization x) is decreased by urbanization y) is shorter for a large drainage basin than for a small one z) depends upon the hydraulic heads

Last Answer : ANSWER: X -- IS DECREASED BY URBANIZATION

Another method of locating points on a map besides the longitude and latitude method which is frequently employed in the western states is known as the: w) Arc Method x) Tier and Range System y) Square Similar Method z) none of these

Description : Another method of locating points on a map besides the longitude and latitude method which is frequently employed in the western states is known as the: w) Arc Method x) Tier and Range System y) Square Similar Method z) none of these

Last Answer : ANSWER: X -- TIER AND RANGE SYSTEM

While many different gases are found in the atmosphere, a number do NOT contribute significantly to solar heating of the atmosphere. Which TWO of the following gases do NOT absorb much heat? w) carbon dioxide x) nitrogen y) water vapor z) oxygen

Description : While many different gases are found in the atmosphere, a number do NOT contribute significantly to solar heating of the atmosphere. Which TWO of the following gases do NOT absorb much heat? w) carbon dioxide x) nitrogen y) water vapor z) oxygen

Last Answer : ANSWER: X and Z -- NITROGEN and OXYGEN

Which of the following distances in kilometers is closest to the diameter of the earth? w) 750 kilometers x) 2,750 kilometers y) 12,750 kilometers z) 127,500 kilometers

Description : Which of the following distances in kilometers is closest to the diameter of the earth? w) 750 kilometers x) 2,750 kilometers y) 12,750 kilometers z) 127,500 kilometers

Last Answer : ANSWER: Y -- 12,750 KILOMETERS 

The core of the earth is thought to be composed of which of the following? w) basalt and granite x) compressed gases y) uranium and lead z) iron and nickel

Description : The core of the earth is thought to be composed of which of the following? w) basalt and granite x) compressed gases y) uranium and lead z) iron and nickel

Last Answer : ANSWER: Z -- IRON AND NICKEL

Which of these events gives us evidence that the earth is spherical? w) a volcanic eruption x) an earthquake y) an eclipse of the moon z) the earth's rotation

Description : Which of these events gives us evidence that the earth is spherical? w) a volcanic eruption x) an earthquake y) an eclipse of the moon z) the earth's rotation

Last Answer : ANSWER: Y -- AN ECLIPSE OF THE MOON

Which of the following causes the oblate spheroid shape of the earth? w) the earth's magnetism x) the earth's gravity y) the earth's rotation z) the moon's tidal pull

Description : Which of the following causes the oblate spheroid shape of the earth? w) the earth's magnetism x) the earth's gravity y) the earth's rotation z) the moon's tidal pull

Last Answer : ANSWER: Y -- THE EARTH'S ROTATION

How much of the sun's total radiation actually reaches the earth? Is it one part in w) 2,000 x) 200,000 y) 2 million z) 2 billion

Description : How much of the sun's total radiation actually reaches the earth? Is it one part in w) 2,000 x) 200,000 y) 2 million z) 2 billion

Last Answer : ANSWER: Z -- ONE PART IN 2 BILLION 

On which one of the following is the largest known volcanic cone in the solar system located? w) Earth x) Io y) Mars z) the moon

Description : On which one of the following is the largest known volcanic cone in the solar system located? w) Earth x) Io y) Mars z) the moon 

Last Answer : ANSWER: Y -- MARS

Which of the following is the oldest period of tim lasting from the beginnings of the earth to approximately 570 million year ago? w) Precambrian x) Pleistocene (pron: ply-sto-sin) y) Miocene (pron: my-o-sin) z) Jurassic

Description : Which of the following is the oldest period of tim lasting from the beginnings of the earth to approximately 570 million year ago? w) Precambrian x) Pleistocene (pron: ply-sto-sin) y) Miocene (pron: my-o-sin) z) Jurassic

Last Answer : ANSWER: W -- PRECAMBRIAN

In studies of the surface of the earth, a reverse fault having a dip between 10 and 45 degrees is known as a: w) thrust fault x) normal fault y) strike-slip fault z) neither of these

Description : In studies of the surface of the earth, a reverse fault having a dip between 10 and 45 degrees is known as a: w) thrust fault x) normal fault y) strike-slip fault z) neither of these

Last Answer : ANSWER: W -- THRUST FAULT 

Which of the following areas is closest to the total surface area of the earth in square kilometers? w) 500 million x) 500 billion y) 500 thousand z) 5 billion

Description : Which of the following areas is closest to the total surface area of the earth in square kilometers? w) 500 million x) 500 billion y) 500 thousand z) 5 billion

Last Answer : ANSWER: W -- 500 MILLION

On the Phanerozoic time scale, which of the following geologic periods occurred approximately 65 to 136 million years ago? Is it: w) Cambrian x) Ordovician y) Carboniferous z) Cretaceous

Description : On the Phanerozoic time scale, which of the following geologic periods occurred approximately 65 to 136 million years ago? Is it: w) Cambrian x) Ordovician y) Carboniferous z) Cretaceous

Last Answer : ANSWER: Z -- CRETACEOUS

On the Phanerozoic (pron: fan-eh-reh-zO-ik) time scale, which of the following geologic periods occurred approximately 500 to 570 million years ago? Is it: w) Cambrian x) Ordovician (pron: ord-eh-vish-en) y) Carboniferous z) Silurian

Description : On the Phanerozoic (pron: fan-eh-reh-zO-ik) time scale, which of the following geologic periods occurred approximately 500 to 570 million years ago? Is it: w) Cambrian x) Ordovician (pron: ord-eh-vish-en) y) Carboniferous z) Silurian

Last Answer : ANSWER: W -- CAMBRIAN

On the Phanerozoic (pron: fan-eh-row-zo-ick) Time Scale, which of the following geologic periods occurred approximately 395 to 430 million years ago? Is it: w) Jurassic (pron: ju-ras-ick) x) Permian y) Carboniferous z) Silurian

Description : On the Phanerozoic (pron: fan-eh-row-zo-ick) Time Scale, which of the following geologic periods occurred approximately 395 to 430 million years ago? Is it: w) Jurassic (pron: ju-ras-ick) x) Permian y) Carboniferous z) Silurian

Last Answer : ANSWER: Z -- SILURIAN