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 : A yazoo stream flows through which of the following? w) gorge x) divide y) backswamp z) water gap
Last Answer : ANSWER: Y -- BACKSWAMP
Description : The Cromwell Current is a subsurface current that flows how? Does it flow: w) west in the Atlantic Ocean x) east in the Atlantic Ocean y) east in the Pacific Ocean z) west in the Pacific Ocean
Last Answer : ANSWER: Y -- EAST IN THE PACIFIC OCEAN
Description : A volcano which is composed of lava flows and pyroclastic material and which is steep-sided and very tall is known as: w) Syncline x) Composite cone y) Anticline z) none of these
Last Answer : ANSWER: X -- COMPOSITE CONE
Description : Rocks formed in layers are said to be: w) crystalline x) stratified y) chemical z) metamorphosed
Last Answer : ANSWER: X -- STRATIFIED
Description : The jet-stream lies between which two layers of th earth's atmosphere? w) thermosphere and ionosphere x) mesosphere and thermosphere y) troposphere and stratosphere z) stratosphere and mesosphere
Last Answer : ANSWER: Y -- TROPOSPHERE AND STRATOSPHERE
Description : Cirrus clouds are: w) rain clouds x) thick and fleecy y) made of ice crystals z) low cloud layers
Last Answer : ANSWER: Y -- MADE OF ICE CRYSTALS
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
Description : Field capacity represents the maximum quantity of water held: w) in the soil against the force of gravity x) in the ground water zone y) in the intermediate zone z) below the water table
Last Answer : ANSWER: W -- IN THE SOIL AGAINST THE FORCE OF GRAVITY
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 : 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
Description : In geological studies, a fault in the earth's surface in which the hanging wall has moved down relative to the footwall is termed: w) normal fault x) reverse fault y) upthrust fault z) none of these
Last Answer : ANSWER: W -- NORMAL FAULT
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 : A wave with a wavelength of 40 meters and a height of 2 meters will NOT be refracted in water with a depth of more than: w) 1 meter x) 2 meters y) 10 meters z) 20 meters
Last Answer : ANSWER: Z -- 20 METERS
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 : 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
Description : Waste gases from industrial plants form acids that hasten chemical weathering. Most of the gases are compounds of: w) argon x) hydrogen y) iron z) sulfur
Last Answer : ANSWER: Z -- SULFUR
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 : 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 : Which of the following does NOT form as a result o a low level temperature inversion? w) smog x) sleet y) tornado z) fog
Last Answer : ANSWER: Y -- TORNADO
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 : An agate is a form of what mineral? w) magnetite x) feldspar y) quartz z) copper
Last Answer : ANSWER: Y -- QUARTZ
Description : Igneous rocks that form from magma are known as: w) minerals x) granite y) intrusive rocks z) gneiss (pron: nice)
Last Answer : ANSWER: Y -- INTRUSIVE ROCKS
Description : On the Richter scale, a magnitude 6 earthquake is how much larger than a magnitude 4 earthquake? w) 1.5 times x) 4 times y) 15 times z) 100 times
Last Answer : ANSWER: Z -- 100 TIMES
Description : In geological studies, a reverse fault having a di less than 10 degrees is known as which of the following types of faults. w) normal x) overthrust y) strike-slip z) none of the above.
Last Answer : ANSWER: X -- OVERTHRUST
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
Description : In geological studies, all of the following are TRUE of P waves except that they: w) are body waves x) travel like sound waves y) can pass through liquids z) are slower than S waves
Last Answer : ANSWER: Z -- ARE SLOWER THAN S WAVES
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 : Which of the following is the most important erosional and transportation agent? w) wind x) water y) glaciers z) none of the above
Last Answer : ANSWER: X -- WATER
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
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
Description : Which of the following is the most important chemically-active fluid involved in the formation of rocks? w) hydrochloric acid x) sulfuric acid y) water z) methane
Last Answer : ANSWER: Y -- WATER
Description : The chemical union of iron, oxygen and water forms w) magnetite x) hematite y) limonite z) pyrite
Last Answer : ANSWER: Y -- LIMONITE
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
Description : What percentage of the earth's water is fresh water? w) 50% x) 22% y) 7% z) 3%
Last Answer : ANSWER: Z -- 3%
Description : A circular cavity ground out of bedrock by running water is called a: w) cave x) pothole y) sinkhole z) kettle hole
Last Answer : ANSWER: X -- POTHOLE
Description : On a topographic map, lines that indicate water depth are termed: w) isogonic lines (pron: eye-seh-gone-ik) x) bathymetric lines (pron: bath-i-meh-trik) y) isopachs z) none of these
Last Answer : ANSWER: X -- BATHYMETRIC LINES
Description : Certain substances are classified as water pollutants, others as air pollutants and still others as land pollutants. Which of the following pollutes all three parts of our environment? w) fluorocarbons x) smog y) acid rain z) ozone
Last Answer : ANSWER: Y -- ACID RAIN
Description : The name of a rapid rise of coastal water that accompanies the arrival of a cyclone is called: w) hurricane x) storm surge y) tidal wave z) cyclonistat
Last Answer : ANSWER: X -- STORM SURGE
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
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 : 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 : 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