1

1

2

4

As the length of time increases, the depth of soil generally increases (a direct relationship)

3

a temperature climate with alternating freezing and thawing with high humidity or moisture.

4

2

3

2

2

1

4

all erosion of sediments directly by gravity in mass movement.

3

1

2

3

1

pebbles.

3

1

2

2

4

Due to wind blows through the rock, the larger particles in the sand would be blown at the lower height and lighter particles in the sand will be at top. Hence when abrasion occurs, they get eroded more at the bottom than top.

2

3