A volcanic glass (like obsidian) is not considered a mineral because ___________.Group of answer choicesIt is not a solidAll of these answers are correctIt lacks a crystalline structureit is made by organic processesQuestion 2 3 ptsThe coalescing (coming together) of rocks, dust, other debris that led to the formation of the Earth is called:Group of answer
choices
DifferentiationSolidificationAccretionLithificationQuestion 33 ptsWater with a high salt content is more dense than water with a low salt content.Group of answer choicesTrueFalseQuestion 43 ptsRocks that have a lot of SiO2 are usually ______in color and are called _______.Group of answer choicesLight; FelsicDark; FelsicLight; MaficDark; MaficQuestion 53 ptsAs water warms it becomes more dense.Group of answer choicesTrueFalseQuestion 63 ptsThe focus of an earthquake isGroup of answer choicesall of the choices are correct.beneath the earth’s surface, directly under the epicenter.the primary point of rupture in the earth’s crust.located using multiple seismographs.Question 73 ptsThe largest difference between high and low tide occurs … Group of answer choicesDuring the springWhen the earth and moon are aligned
During the winterWhen the earth, moon, and sun are alignedQuestion 83 ptsConcern about the greenhouse effect stems fromGroup of answer choicesincreases in volcanic ash in the air.worldwide cooling observed since the 1920s.all of the choices are correctincreases in atmospheric carbon-dioxide levels.Question 93 ptsSeismic waves which travel only along the Earth’s exteriorGroup of answer choicesall of the aboveP-wavesS-wavessurface wavesQuestion 103 pts
What causes the lowering of the water table?Group of answer choicesWithdrawal of groundwater exceeds rechargeSaltwater intrusion in coastal areasCompaction of aquifers during earthquakesExcessive land subsidenceQuestion 113 ptsWarming ocean temperatures may result in which of the following?
Group of answer choicesAll of these answers are correctA decrease in phytoplankton productivityAn increase in “extreme” weather patternsIncreased rates of evaporationQuestion 123 ptsSurface collapse in a region of karst topography producesGroup of answer choicessinkholesdeltasall of the abovecavernsQuestion 133 ptsAs water evaporates from the oceans…Group of answer choicesOxygen-18 is preferentially removedOxygen-16 is preferentially removedOxygen-16 and Oxygen-18 are removed in equal quantitiesQuestion 143 ptsMagnetic Polarity “Stripes” on the sea-floor occur because
________.Group of answer choicesThe type of rock forming on the sea-floor changes periodicallyMagnetic minerals in rocks on the seafloor record the periodic flip of the polesof reasons that are not understood; It’s a geologic mysteryThe rock on the seafloor get older as you move away from a ridgeQuestion 153 ptsMagma with the greatest capacity for trapping gases is _______.
Group of answer choicesmaficintermediatefelsic (silicic)ultramaficQuestion 163 ptsLiquefaction isGroup of answer choicesflooding caused by dam failure resulting from an earthquake.flooding of coastal areas due to tectonic subsidence.a quicksand-like condition arising in some wet soils during earthquakes.flooding caused by tsunamis.Question 173 ptsEarthquake-related hazards include all of the following exceptGroup of answer
choiceslandslides.tsunamis.liquefaction.release of radon gas.Question 183 ptsNew Orleans is susceptible to future flooding because…Group of answer choicesIt is surrounded on 3 sides by waterIt is in a hurricane prone areaIt is at or below sea-levelAll of these answers are correctIt is built on loose sedimentQuestion 193 ptsConcerns about greenhouse-effect heating relate not only to possible changes in temperature, but also to possible changes in precipitation patterns.Group of answer choicesTRUEFALSEQuestion 203 ptsWhen two continental lithospheric plates converge, what type of plate boundary will result?Group of answer choicesCollisional Plate boundaryA continental hotspotSubduction ZoneTransform Plate
boundaryQuestion 213 ptsIn 1989 as in 1906, earthquake damage in San Francisco was most severe in areas underlain by fill, as in the Marina district.Group of answer choicesTRUEFALSEQuestion 223 ptsWhich of the following will cause relative sea-level change?Group of answer choicesMelting of glaciers as global temperature increasesSubsidence of land due to pumping of ground waterUplift of the land near the ocean as a result of plate tectonicsAll of these answers are correctQuestion 233 ptsA very symmetric volcanic structure built of pyroclastics is a __________.
Group of answer choicesvolcanic dome.shield volcano.nuée ardente.cinder cone.Question 243 ptsThe largest volume of fresh water is stored in which reservoir? Group of answer choiceslakes and riversthe atmospheregroundwaterglaciersQuestion 253 ptsA disadvantage of desalination is:Group of answer choicespermits only high salinity water as feed for filtrationallows use of brackish groundwaterrequires a lot of energy for distillationcannot be done with solar energyQuestion 263 pts
The time elapsed between the arrivals of the P- and S-waves at a seismograph is in indication of theGroup of answer choicesdistance between the epicenter and the seismographamount of ground motionmagnitudeintensityQuestion 273 ptsDarcy’s LawGroup of answer choicesis independent of the permeability of the materialdetermines the discharge through an aquiferdoes not at all resemble the expression for stream dischargequantifies how much recharge there is to an aquiferQuestion 283 ptsPorosity is that portion of a geologic material where groundwater can be stored.
Group of answer choicesTrueFalseQuestion 293 ptsA greenhouse gas in one thatGroup of answer choicestraps radiation from the sun and warms the atmosphereall of the aboveprovides plants with the carbon required for growthreflects incoming solar energy back into spaceQuestion 303 ptsThe effects of an earthquake on humans and their structures are measured as theGroup of answer choicesrate of tectonic creepintensity
Richter magnitudemagnetic inclinationQuestion 313 ptsOcean circulation is driven by _________ and ________.Group of answer choicesWind; StormsDensity differences; Carbon contentWind; density differencesWind; Earth’s rotationQuestion 323 ptsAlfred Wegener’s hypothesis of continental drift was not accepted by the scientific community because:Group of answer choices
He had no evidence to support his theoryHe was not a scientist and therefore not trusted by the scientific communityHe never tried to present his theory to the scientific communityHe could not supply a mechanism to explain his theoryQuestion 333 ptsRemoval of natural vegetation can result in which of the following?
Group of answer choicesincreased floodingincreased soil erosionincreased surface runoffAll of these answers are correctQuestion 343 ptsA circular lowering of the water table around a well isGroup of answer choicesa cone of depressiona beginning of a sinkholefound only in confined aquifersthe result of land subsidenceQuestion 353 ptsAn igneous rock that formed as magma cooled below the surface of the Earth is called ________ and will have ________crystals than one that formed as lava cooled above the Earth’s surface.Group of answer choicesVolcanic; LargerPlutonic; LargerPlutonic;
SmallerVolcanic; smallerQuestion 363 ptsPlate boundaries are located, in part, by the occurrence of linear belts of volcanoes and earthquakes.Group of answer choicesFALSETRUEQuestion 373 ptsWhich process removes carbon dioxide from the atmosphere?Group of answer choicesdecay of organic mattercombustion of fossil fuelsphotosynthesisrespirationQuestion 383 pts
Which is NOT true of permeability?Group of answer choicesdepends on both the geologic material and the type of fluidReflects how readily fluid flows through a materialIs part of the distinction between aquifers and aquitardsIs greater in shale than in sandstoneQuestion 393 ptsClastic sedimentary rocks are those that formed fromGroup of answer choicesAll of these answers are correctthe application of heat and pressure to other rockssolidification of a magmathe products of the breakup of other rocksQuestion 403 ptsFlood plains result from which of the following?
Group of answer choicessediment deposition by floodslateral erosionmeander migrationall of the aboveQuestion 413 ptsThe lowest point that a stream flows to is called _______Group of answer choicesbase levelmeander sizeflood frequencychannel patternQuestion 423 ptsAccording to plate-tectonic theory, plates of rigid, elastic __________ move over a weak layer below.
Group of answer choicesmantlelithosphereasthenospherecoreQuestion 433 ptsUncertainty in projecting probable greenhouse-effect heating arises from uncertainty aboutGroup of answer choicesclimates are very complexuncertainty in CO2 removed by geologic processesthe relationship between CO2 produced, and resultant atmospheric CO2 levels.all of the choices are correctQuestion 443 ptsLand subsidence results from an increase in porosity in the geologic materials.Group of answer choicesTrueFalseQuestion 453 ptsWhat is the Big Bang Theory?
Group of answer choicesa discredited theory that states that our universe maintains the same size over timethe theory that the entire universe has been expanding for 14 Billion YearsThe theory that th e universe has been expanding for ~4.6 Billion yearsa theory that says that the Earth’s formation was the result of a loud soundQuestion 463 ptsDeep in the crust, at elevated temperatures, rocks may behave plastically and undergo folding or flow.Group of answer choicesFALSETRUEQuestion 473 ptsWhat is the name for the drowned edge of a continent?
Group of answer choicesContinental ShelfContinental SlopeContinental RiseAbyssal plainQuestion 483 ptsMost stratovolcanoes are located at which plate boundary? Group of answer choicesdivergentsubduction zonetransformcollisionalQuestion 493 ptsConvection in the mantle occurs because____________.Group of answer choicesthe mantle is liquid and can easily flowthere are temperature differences that result in variations in density in the mantlethe lithospheric plates cause the mantle to movethere are compositional differences that result in density differences in the mantle
Question 503 pts A seismic gap isGroup of answer choiceslocked and therefore accumulating stress.a section of a fault that is undergoing creepnot very dangerous because it only slips a few meters at a time.not of much concern because it is seismically quiet.Question 513 ptsDue in part to the increase in Carbon Dioxide in the atmosphere, global temperatures will continue to increase and our oceans will become more acidic leading to the deterioration of coral reefs and many marine organisms.
Group of answer choicesTrueFalseQuestion 523 ptsThe outer edge of a meander, where material is being eroded, is a(n) ____________.Group of answer choicespoint baroxbowcut bankchannelQuestion 533 ptsA volcano built of many thin flows of fluid lava is aGroup of answer choicessubduction-zone volcano.cinder cone.volcanic dome.shield volcano.Question 543 ptsMagmas rich in silicaGroup of answer choicesall of the choices are correct.may contain up to about 75 percent SiO2 by weight.are viscous and do not flow easily.tend to inhibit passage of gas that tries to escape through it.result in more explosive eruptions than low-silica magmas.
Question 553 ptsA hot, rapidly moving cloud of gas and ash produced by a volcanic eruption is known as aGroup of answer choicespyroclastic flowcomposite flow.rhyolite.lahar.Question 56 35 ptsList and describe 5 things you can (and are willing to do) that will contribute to a reduction in anthropogenic climate change.
Create a numbered list of your answers. Your answers should be specific to you and should be actionable, meaning you have indicated specifically how you will accomplish this or what it will look like in your life. Be thoughtful and honest in your response. Ideally, you are creating a list of things that you will actually implement!
Requirements: multiple choices questions
