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  How many degrees separate Tropic of Cancer from Tropic of Capricorn?

  Posted by motjolopane on Nov 24, 2009 at 04:56 AM

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  Describe the earth's present condition.  

  Posted by pincess on Nov 23, 2009 at 01:18 AM

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  What is a transform fault?

  Posted by malikotman on Nov 23, 2009 at 12:37 AM

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  What percentage of landmass does South America represent?

  Posted by fayth81098 on Nov 21, 2009 at 06:37 PM

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  How do igneous rocks wiht glassy textures form?

  Posted by hermione01 on Nov 17, 2009 at 10:43 PM

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  Did the breakup of Pangaea during the Jurassic Period led to the extinction of some dinosaurs and the evolution of other dinosaurs?

  Posted by annarose on Nov 16, 2009 at 05:42 PM

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  What is field evidence to recognise geological faults?

  Posted by cksinghbhu on Nov 13, 2009 at 12:26 AM

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  Igneous rocks can form what?

  Posted by ravenclaw on Nov 11, 2009 at 04:35 PM

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  What is time measured according to?

  Posted by zahraa99 on Nov 5, 2009 at 03:30 AM

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  Why is the movement of lithospheric plates significant?

  Posted by myleatha on Nov 4, 2009 at 06:59 PM

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  Why earthquakes are more common in Japan?

  Posted by rasesh1 on Oct 25, 2009 at 07:03 AM

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  Describe the changes in air pressure that occur during an El Nino year. How do these changes affect wind patters?

  Posted by vsaucedo1 on Oct 12, 2009 at 10:03 AM

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  What is the hydrocarbon potential in Himalaya with relation to the convergent plate boundry?

  Posted by rasyaalia90 on Aug 16, 2009 at 06:21 AM

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  How the shape of the grain in the rock affect porosity.

  Posted by rasyaalia90 on Aug 10, 2009 at 10:11 AM

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  How much of the Earth is land, and how much water?

  Posted by jeanie119 on Jun 3, 2009 at 11:49 PM

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  Name a place where two plates are sliding past each other.

  Posted by nelly101 on May 28, 2009 at 02:19 AM

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  What happens at the boundaries of tectonic plates?

  Posted by trupti108 on May 24, 2009 at 11:43 AM

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  How many layers are in the earth?  

  Posted by djk on May 12, 2009 at 03:05 PM

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  Where is the energy stored before an earthquake?

  Posted by tsell1 on Apr 30, 2009 at 07:40 PM

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    Calculate the rate of the Pacific Plate's motion in cm per year for the island sequence Kauai to Oahu. Can you show me the steps.

  Posted by mia23 on Apr 28, 2009 at 03:04 PM

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  What method is used to calculate the rate of the pacific plate's motion in cm per year for the island sequence Kauai to Oahu?

  Posted by tgirl5 on Apr 26, 2009 at 02:48 PM

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  Why does the compass always point to the north?  

  Posted by akuls on Apr 25, 2009 at 08:30 AM

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  What does historical geology study?

  Posted by rocsiboo on Apr 21, 2009 at 07:07 PM

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  Breif note on shore line and coastal erosion.

  Posted by shamroz on Apr 3, 2009 at 04:34 AM

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  Define field geology in general?  

  Posted by ibi on Apr 1, 2009 at 09:34 AM

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  What is a fold in earth's crust

  Posted by dezi1897 on Feb 26, 2009 at 06:36 PM

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  What is the natue and existence of rocks?

  Posted by zafaiz on Feb 21, 2009 at 01:11 AM

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  What are the effects of erosion on earth?

  Posted by talon01 on Feb 19, 2009 at 05:35 PM

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  How do Chemical sedimentary rocks form?

  Posted by fmar1 on Feb 11, 2009 at 08:08 AM

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  Explain why the Moon exerts a greater tidal influence on the Earth than the Sun.

  Posted by taytay530 on Feb 1, 2009 at 11:19 AM

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  In the Eastern hemisphere, the mountain chains generally run in what direction?

  Posted by juliedees on Jan 25, 2009 at 02:17 PM

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  Which of the following is not a member of the granite family? Halite, rhyolite, obsidian or pumice?

  Posted by peterleader on Jan 20, 2009 at 06:14 PM

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  What percentage of land on earth is desert?

  Posted by apples10010 on Jan 10, 2009 at 01:52 PM

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  What is the permeability of metamorphic rock?

  Posted by solturmi on Jan 4, 2009 at 09:40 AM

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  What are the highest points of land under the ocean? (submerged land that is closest to the surface of the ocean.)

  Posted by dh4723 on Dec 20, 2008 at 05:51 PM

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  How do we calculate time and date under the International Date Line?

  Posted by najmsalahi on Dec 17, 2008 at 09:33 AM

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  Where was the tertiary period located?

  Posted by hihihihi on Dec 16, 2008 at 05:59 PM

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  How did earth get its color?

  Posted by laurencrawford on Dec 11, 2008 at 11:20 AM

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  How could weathering increase erosion?

  Posted by cbrown3 on Dec 8, 2008 at 05:41 PM

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  Do the earth's continents change through time as we do?

  Posted by briana136 on Dec 8, 2008 at 11:47 AM

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  Can anyone please tell me when the new day starts, is it on the 1st or 12th chime of midnight?

  Posted by heidipotter on Dec 6, 2008 at 04:38 AM

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  Does the Earth rotate clockwise or counterclockwise?

  Posted by giormar on Nov 25, 2008 at 08:10 AM

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  How can scientists prove the age of Planet Earth?

  Posted by frizzyperm on Nov 25, 2008 at 03:21 AM

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  What are the forces that cause rock to break down?

  Posted by glenn14 on Nov 25, 2008 at 01:49 AM

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  What is the difference between Dusk and Twilight?

  Posted by dark-shadow-dragon on Nov 23, 2008 at 07:17 PM

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  Where can ice structures be found on earth?

  Posted by vvilla12 on Nov 19, 2008 at 05:06 PM

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  What is an example of a continental divergent boundary?

  Posted by lauraliz on Nov 18, 2008 at 05:50 PM

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  What human activities can increase the rate of weathering?

  Posted by melissa299 on Nov 14, 2008 at 04:26 PM

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  Conglomerates belong within which classification of sedimentary rocks?

  Posted by kcik13 on Nov 13, 2008 at 06:18 PM

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  What percent of the earth is land and how much is water?

  Posted by smallys-army on Nov 11, 2008 at 04:04 AM