soil (part 3)

Question 1

what has led to valuable mineral deposits and provided materials for sedimentary rocks

Answer 1

weathering

Question 2

soil is made up of what

Answer 2

loose weathered rock and organic material

Question 3

how does soil form (only 1 step)

Answer 3

when its parent material is weathered

Question 4

side profile

Answer 4

a cross section of the earth

Question 5

how many layers do mature soils at least have to have

Answer 5

3 layers

Question 6

describe each horizon (subsoil, topsoil, organic, weathered parent rock)

Answer 6

o horizon - organic
a horizon - topsoil
b horizon - subsoil
c horizon - weathered parent rock

Question 7

residual soil (parent material)

Answer 7

bedrock beneath soil which has not been moved

Question 8

transported soil

Answer 8

soil formed from parent material left by winds, rivers, glaciers or any soil that was moved (transported soil from erosion and deposition)

Question 9

o horizons description

Answer 9

color is black and is known for the organic matter humus that decays and decompose plants

Question 10

a horizon description

Answer 10

color is dark brown and the layer contains humus mixed with mineral matter

Question 11

b horizon description

Answer 11

color is reddish brown and has a mixture of sediments, clay, silt, and sand

Question 12

c horizon description

Answer 12

light brown/tan, slightly weathered parent rock