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  • 問題数 20 • 5/9/2024

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    問題一覧

  • 1

    Is continuously cycled into the air and back to its sources

    water erosion

  • 2

    Water that sinks into the ground is forms

    groundwater

  • 3

    It accomplishes the greatest change on earth by erosion

    running water

  • 4

    As gullies flow down a hillside, the water removes the topsoil. Bigger gullies form into

    streams

  • 5

    Raindrops fall on the soil exert pressure with their weight

    splash erosion

  • 6

    If the soil is loose and is not protected by a covering on the surface, then a large amount of it is lost through raindrop ersion whish is also called

    splash erosion

  • 7

    Water that does not evaporate or immediately sink into the soil is called

    runoff

  • 8

    The rock particles picked up by the wind are deposited elsewhere, forming hills of sand called

    sand dunes

  • 9

    The process of wind carrying loose sediment is called

    delfation

  • 10

    The large pebblles left behinf form a hard surface called

    desert pavement

  • 11

    The wind blows rock particle away and these wear down exposed rocks surfaced. This procces is called

    abrasion

  • 12

    Bits of rocks are separated and fall to a lower level because of gravity

    erosion by gravity

  • 13

    When gravity moves rocks and soil down a slope, it is called

    mass movement

  • 14

    When the amout of snow is so great that it cannot completely melt ____ forms

    glaciers

  • 15

    The clearing of trees, transforming a forest into cleared lands

    deforestation

  • 16

    Farmers use excessive fertilizer and iggrication damages the land

    intensive farming

  • 17

    Mae the soil bare

    housing development and road construction

  • 18

    This type of farming method uses topography of the land to slow down the flowmof water through a series of terraces

    terracing method farming

  • 19

    This method is similar to terracing but on a smaller scale

    contour farming

  • 20

    In this method, the plants arraged in strips with rows of the main crop alternated with rowsmof a covered crop

    strip cropping