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Earth Science (Landscapes and Surface Processes (Minerals (Streak, Luster,…

- - - - Is the process of breaking big rocks into little ones.
    - - Rainfall made sufficiently acidic by atmospheric pollution that it causes environment harm, typically to forests and lakes.
    - - The erosion or disintegration of rocks, building materials, caused by chemical reactions rather than by mechanical processes.
  - - - Rock having solidified from lava or magma.
    - - Relating to rock that has undergone transformation by heat, pressure, or other natural agencies.
    - - Rock that has formed from sediment deposited by water or air
- - - - continental-oceanic
      - continental-continental
      - oceanic-oceanic
  - - - Flowing fluid that is moving because there is a temperature or density difference within the material.
    - - His hypothesis was that the continents had once formed
        a single landmass called Pangea, before breaking apart
        and drifting to their present locations.
    - - The gradual movement of the continents across the earth's surface through geological time.
- - - - Cross-cutting relationships is principle of geology that states that the geologic feature which cuts another is the younger of the two features.
    - - This is a contact between two rocks units in
        which the upper unit is usually much younger than the lower unit.
    - - This states that layers of sediment are originally deposited horizontally under the action of gravity.
  - - - Method of determining the time of origin of rocks by measuring the ratio of radioactive argon to radioactive potassium in the rock
    - - *The material being dated must have measurable amounts of the parent and/or the daughter isotopes.
        
        Also Radiometric dating is not very useful for determining the age of sedimentary rocks.
    - - A radioactive isotope of carbon.