問題一覧
1
Water that sinks into the ground is forms
groundwater
2
Farmers use excessive fertilizer and iggrication damages the land
intensive farming
3
Bits of rocks are separated and fall to a lower level because of gravity
erosion by gravity
4
The wind blows rock particle away and these wear down exposed rocks surfaced. This procces is called
abrasion
5
This method is similar to terracing but on a smaller scale
contour farming
6
The large pebblles left behinf form a hard surface called
desert pavement
7
When the amout of snow is so great that it cannot completely melt ____ forms
glaciers
8
This type of farming method uses topography of the land to slow down the flowmof water through a series of terraces
terracing method farming
9
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
10
The rock particles picked up by the wind are deposited elsewhere, forming hills of sand called
sand dunes
11
Raindrops fall on the soil exert pressure with their weight
splash erosion
12
When gravity moves rocks and soil down a slope, it is called
mass movement
13
The process of wind carrying loose sediment is called
delfation
14
Is continuously cycled into the air and back to its sources
water erosion
15
It accomplishes the greatest change on earth by erosion
running water
16
Water that does not evaporate or immediately sink into the soil is called
runoff
17
Mae the soil bare
housing development and road construction
18
As gullies flow down a hillside, the water removes the topsoil. Bigger gullies form into
streams
19
The clearing of trees, transforming a forest into cleared lands
deforestation
20
In this method, the plants arraged in strips with rows of the main crop alternated with rowsmof a covered crop
strip cropping