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  1. The pedogenic process associated with poor drainage and which involves the accumulation of organic matter in the upper layers of the soil is called

  2. A.
    salinisation
    B.
    gleisation
    C.
    calcification
    D.
    podsolisation

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  3. The rock formations that cannot store groundwater are called

  4. A.
    aquifers
    B.
    aquicludes
    C.
    perched aquifer
    D.
    spring

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  5. The planet that takes the highest time for completing a rotation is

  6. A.
    Mercury
    B.
    Venus
    C.
    Earth
    D.
    Pluto

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  7. The Penumbra is

  8. A.
    the outer portion of the moon's shadow
    B.
    formed by the tangent that intersects between the sun and the moon
    C.
    both (a) and (b)
    D.
    None of the above

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  9. The river situated along the border between the USA and Mexico is

  10. A.
    the Rio Grande
    B.
    the Amazon
    C.
    the Mississippi
    D.
    the Colorado

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  11. The process of capture of precipitation by the plant canopy and its subsequent return to the atmosphere is called

  12. A.
    sublimation
    B.
    stem flow
    C.
    interception
    D.
    through fall

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  13. The oldest rocks found in ocean basins are ____ than the oldest continental rocks.

  14. A.
    older
    B.
    younger
    C.
    larger
    D.
    smaller

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  15. The period of daylight

  16. A.
    is nearly constant near the equator
    B.
    varies with latitude and the season
    C.
    reaches a maximum of 24 hour in the polar zones in summer
    D.
    All of the above

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  17. The process of weathering results into

  18. A.
    the complete loss of particular atoms or the compounds from the weathered surface
    B.
    the addition of specific atoms or compounds to the weathered surface
    C.
    a breakdown of one mass in to two or more masses, with no chemical change in the mineral or rock
    D.
    All of the above

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  19. The part of continental margin that is structurally a part of continent?

  20. A.
    Continental shelf
    B.
    Continental Slope
    C.
    both (a) and (b)
    D.
    None of the above

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