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

1 Answer

Answer :

ANSWER: X -- ROCK FLOUR

Related questions

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

Description : High quality crop soil requires humus as a major component. Which of the following best describes the composition of humus w) fine sand particles x) decaying organic matter y) mineral like clay matter z) chemical fertilizers

Last Answer : ANSWER: X -- DECAYING ORGANIC MATTER 

Description : The B-horizon of a pedalfer soil is noted for its accumulation of: w) carbonate x) nitrogen y) humus z) oxides

Last Answer : ANSWER: Z -- OXIDES

Description : Most cave deposits form from which of the followin minerals? w) hematite x) calcite y) quartz z) none of these

Last Answer : ANSWER: X -- CALCITE

Description : Deposits that form when the ice in a glacier melts are called: w) drifts x) dunes y) veins z) cirques (pron: serks)

Last Answer : ANSWER: W -- DRIFTS

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

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) the predominant source of commercial heat energy in the northern regions of the United States

Last Answer : ANSWER: W -- FORMED THROUGH PHOTOSYNTHESIS

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

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 

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%

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

Description : The rock in which ground water is LEAST likely to form caverns is: w) sandstone x) limestone y) salt z) rock gypsum

Last Answer : ANSWER: W -- SANDSTONE 

Description : When clay hardens into rock, it forms: w) coal x) limestone y) shale z) quartzite

Last Answer : ANSWER: Y -- SHALE

Description : A rock composed of cemented sand and gravel is: w) shale x) conglomerate y) granite z) marble

Last Answer : ANSWER: X -- CONGLOMERATE

Description : Winds are classed as agents of erosion rather than of weathering because: w) they have nothing to do with the weather x) they carry rock particles away y) they work only part of the time z) they build up rather than wear down the rock

Last Answer : ANSWER: X -- THEY CARRY ROCK PARTICLES AWAY

Description : Of the following choices, the color purple on a topographic map indicates what surface feature? w) vegetation x) water y) photorevision z) rock formations

Last Answer : ANSWER: Y -- PHOTOREVISION

Description : Of the following, the color blue on a topographic map indicates what surface feature? w) vegetation x) water y) photorevision z) rock formations

Last Answer : ANSWER: X -- WATER

Description : Which coal is considered a metamorphic rock? w) anthracite coal x) bituminous coal y) lignite coal z) all of these

Last Answer : ANSWER: W -- ANTHRACITE

Description : The metamorphic rock which forms from pure limestone is: w) slate x) gneiss y) schist z) marble

Last Answer : ANSWER: Z -- MARBLE

Description : The most common mineral found in igneous rock is: w) feldspar x) olivine y) muscovite z) fluorite

Last Answer : ANSWER: W -- FELDSPAR

Description : A specialized form of concordant igneous intrusion that is characterized by a dome in the country rock and a nearly planar floor is called a: w) lopolith x) laccolith y) batholith z) stock

Last Answer : ANSWER: X -- LACCOLITH

Description : An igneous rock which is commonly black, has a glassy texture, and has a conchoidal (pron: kong-koid-al) fracture is whic of the following? w) pelite (pron: pel-ite) x) calcite y) obsidian z) none of the above

Last Answer : ANSWER: Y -- OBSIDIAN

Description : Molten rock beneath the Earth's crust is called: w) magma x) liquicite y) lava z) igneous

Last Answer : ANSWER: W -- MAGMA

Description : The aquifer of a famous artesian formation in the Great Plains is a layer of rock called the: w) Clinton limestone x) Dakota sandstone y) Pierre shale z) Vermont marble

Last Answer : ANSWER: X -- DAKOTA SANDSTONE

Description : Which of the following is the name of the partly melted rock layer on which the plates move? w) lithosphere x) asthenosphere y) hydrosphere z) outer core

Last Answer : ANSWER: X -- ASTHENOSPHERE

Description : Which of the following is a metamorphic rock? w) sandstone x) granite y) quartz z) marble

Last Answer : ANSWER: Z -- MARBLE

Description : Which of the following is an igneous rock? w) Granite x) Shale y) Coal z) Slate

Last Answer : ANSWER: W -- GRANITE

Description : This sedimentary rock was used to build the Pantheon and the Colossium: w) marble x) travertine y) sandstone z) ironstone

Last Answer : ANSWER: X -- TRAVERTINE

Description : An example of a rock whose minerals have been crushed into thin sheets or bands is: w) shale x) schist y) conglomerate z) granite

Last Answer : ANSWER: X -- SCHIST 

Description : Which of the following pairs contains one igneous and one sedimentary rock? w) shale and marble x) sandstone and quartzite y) granite and limestone z) obsidian and gneiss

Last Answer : ANSWER: Y -- GRANITE AND LIMESTONE

Description : Of the following, the rock that is most resistant to both chemical and mechanical weathering is: w) shale x) limestone y) marble z) quartzite

Last Answer : ANSWER: Z -- QUARTZITE

Description : The solidified lava of a volcano belongs to which rock family? Is it: w) igneous x) metamorphic y) sedimentary z) fossilized

Last Answer : ANSWER: W -- IGNEOUS 

Description : Which of the following types of soil is transported by gravitational forces? (A) Loess (B) Talus (C) Drift (D) Dune sand

Last Answer : Answer: Option B

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

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 

Description : All of the following are examples of chemically precipitated sedimentary rock except: w) limestone x) sandstone y) dolomite

Last Answer : ANSWER: X -- SANDSTONE

Description : Pangaea is the name of a former continent that included: w) all the continents x) only Europe and Asia y) only South America and Africa z) only North and South America

Last Answer : ANSWER: W -- ALL THE CONTINENTS

Description : What mineral is the most dense? w) hematite x) cinnabar y) marcasite z) rhodochrosite

Last Answer : ANSWER: X -- CINNABAR

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

Description : Sulfuric acid aerosols from the eruption of Mt. Pinatubo reduced the rate of global warming last year. They also contributed to the record size of: w) acid rainfalls in Europe x) the anchovy catch off Peru y) the ozone hole over Antarctica z) fish kills in the Amazon River

Last Answer : ANSWER: Y -- THE OZONE HOLE OVER ANTARCTICA

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

Description : Which of the following is an average number of inches of snow equal to one inch of rain? w) 1 inch x) 5 inches y) 10 inches z) 25 inches

Last Answer : ANSWER: Y -- 10 inches

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

Description : What is considered to be the oldest lake in North America? w) Mono Lake, CA x) Lake Superior, MI y) The Great Salt Lake, UT z) Crater Lake, OR

Last Answer : ANSWER: W -- MONO LAKE, CA

Description : On which of the following does the capacity of a kilogram of air for holding water depend? w) the air pressure x) the air temperature y) the dust content of the air z) the ions in the air

Last Answer : ANSWER: X -- THE AIR TEMPERATURE 

Description : What is considered to be the approximate difference in average temperature between the "little ice age" and today? w) 1 to 3 degrees centigrade x) 5 to 8 degrees centigrade y) 10 to 12 degrees centigrade z) 15 to 20 degrees centigrade

Last Answer : ANSWER: W -- 1 TO 3 DEGREES CENTIGRADE

Description : What form of runoff is water that flows down a slope within the upper layers of the soil rather than on top of them? w) interflow x) extraflow y) endoflow z) detrital runoff

Last Answer : ANSWER: W -- INTERFLOW

Description : When does the air cool most rapidly? Is it during w) a cloudy day x) a cloudy night y) a sunny day z) a clear night

Last Answer : ANSWER: Z -- A CLEAR NIGHT

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

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