Question 1

1. What is a horst?Answer  An uplifted block bounded by two normal faults A down-dropped block bounded by two reverse faults An uplifted block bounded by two reverse faults A down-dropped block bounded by two normal faults

   4 points

   Question 2

   1. Which of the following statements is TRUE?Answer  P waves travel through solids, but S waves do not. P and S waves travel through liquids, but P waves do not travel through solids. S waves travel through solids only, and P waves travel through liquids and solids. P and S waves travel through liquids, but S waves do not travel through solids.

      4 points

      Question 3

      1. When an earthquake occurs, energy radiates in all directions from its source. The source is often referred to as the:Answer  inertial point. epicenter. focus. seismic zone.

         4 points

         Question 4

         1. The continental drift hypothesis was initially rejected primarily because Alfred Wegener could not:Answer  find geologic similarities on different continents. disprove competing theories that were more accepted by scientists. identify a mechanism capable of moving continents. afford to publish his ideas.

            4 points

            Question 5

            1. What type of geological event has generated many mountain belts such as the Alps, Urals, and Appalachians?Answer  Deformation Tensional stress Folds Continental collisions

               4 points

               Question 6

               1. At deep ocean ridges, sediments are:Answer  almost entirely absent. very thick. very old. mostly limestone.

                  4 points

                  Question 7

                  1. Fault boundaries occur when __________ plates slide past one another horizontally.Answer  transform convergent divergent colliding

                     4 points

                     Question 8

                     1. Cooler, older, oceanic lithosphere sinks into the mantle at:Answer  subduction zones along convergent plate boundaries. transform fault zones along divergent plate boundaries. rift zones along mid-ocean ridges. sites of long-lived, hot spot volcanism in the ocean basins.

                        4 points

                        Question 9

                        1. The Black Hills of South Dakota are a good example of:Answer  an anticline. a syncline. a basin. a dome.

                           4 points

                           Question 11

                           1. At one time it was thought that the deep-ocean trenches at subduction zones would be a good place for disposal of high-level radioactive waste. Why is this not a good idea? Explain what can happen at a subduction zone and what might occur if the waste were buried there. (Hint: see oceanic-continental convergence.)Answer  Press Tab to enter the content editor. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). Content EditorUse arrow keys to select functionsBoldItalicUnderline — Font family –Andale MonoArialArial BlackBook AntiquaComic Sans MSCourier NewGeorgiaHelveticaImpactSymbolTahomaTerminalTimes New RomanTrebuchet MSVerdanaWebdingsWingdingsFont family — Font size –1 (8pt)2 (10pt)3 (12pt)4 (14pt)5 (18pt)6 (24pt)7 (36pt)Font size Text Color  ▼ Bullet List▼ Number List▼ Toggle Spell Checker▼ Insert/Edit LinkRemove LinkBoldItalicUnderlineStrikethrough — Format –HeadingSub Heading 1Sub Heading 2ParagraphFormatted CodeFormat — Font family –Font family — Font size –Font size Bullet List Number List Text Color  ▼ Highlight  ▼ Remove FormattingCutCopyPasteFind UndoRedo Align LeftAlign CenterAlign RightAlign Full IndentOutdent SuperscriptSubscript Insert/Edit LinkRemove Link Direction Left to RightDirection Right to Left LineHorizontal RuleInsert Nonbreaking Space Character Toggle Spell CheckerRecord from WebcamLaunch Math Editor Insert Mashup▼ Show Nonprinting CharactersBlockquoteSymbolEmotionsAnchor Insert/Edit TableTable Row PropertiesTable Cell PropertiesInsert Row BeforeInsert Row AfterDelete RowInsert Column BeforeInsert Column AfterDelete ColumnMerge Table CellsSplit Merged Table Cells HTML Code ViewEdit CSS StylePreviewHelpFull ScreenShow MorePath: Words:0

                              30 points

                              Question 12

                              1. How does the plate tectonics theory help explain the existence of fossilized marine life in rocks atop the Ural Mountains? Be sure to include a description of the specific process(es).Answer  Press Tab to enter the content editor. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). Content EditorUse arrow keys to select functionsBoldItalicUnderline — Font family –Andale MonoArialArial BlackBook AntiquaComic Sans MSCourier NewGeorgiaHelveticaImpactSymbolTahomaTerminalTimes New RomanTrebuchet MSVerdanaWebdingsWingdingsFont family — Font size –1 (8pt)2 (10pt)3 (12pt)4 (14pt)5 (18pt)6 (24pt)7 (36pt)Font size Text Color  ▼ Bullet List▼ Number List▼ Toggle Spell Checker▼ Insert/Edit LinkRemove LinkBoldItalicUnderlineStrikethrough — Format –HeadingSub Heading 1Sub Heading 2ParagraphFormatted CodeFormat — Font family –Font family — Font size –Font size Bullet List Number List Text Color  ▼ Highlight  ▼ Remove FormattingCutCopyPasteFind UndoRedo Align LeftAlign CenterAlign RightAlign Full IndentOutdent SuperscriptSubscript Insert/Edit LinkRemove Link Direction Left to RightDirection Right to Left LineHorizontal RuleInsert Nonbreaking Space Character Toggle Spell CheckerRecord from WebcamLaunch Math Editor Insert Mashup▼ Show Nonprinting CharactersBlockquoteSymbolEmotionsAnchor Insert/Edit TableTable Row PropertiesTable Cell PropertiesInsert Row BeforeInsert Row AfterDelete RowInsert Column BeforeInsert Column AfterDelete ColumnMerge Table CellsSplit Merged Table Cells HTML Code ViewEdit CSS StylePreviewHelpFull ScreenShow MorePath: Words:0