part 2

Question 1

PARENT MATERIAL

Answer 1

nade up of partly weathered rocks and minerals

Question 2

MINERALS

Answer 2

chemical combination of elements

Question 3

rocks

Answer 3

aggregate of minerals

Question 4

IGNEOUS ROCKS

Answer 4

formed from molten magma, most abundant but not dominant

Question 5

SEDIMENTARY ROCKS

Answer 5

earlier generation of rocks that has been subjected to weathering, transportation, and deposition

Question 6

METAMOROPHIC ROCKS

Answer 6

alteration of igneous and sedimentary, happened below with high temperature and high pressure

Question 7

O HORIZON

Answer 7

organic horizon
all organic, very little minerals

Question 8

A HORIZON

Answer 8

topsoil
dark color due to incorporation of organic matter

Question 9

E HORIZON

Answer 9

elluvation zone
leached horizon, removing of organic matters and iron
not present in all soils

Question 10

B HORIZON

Answer 10

alluvation / accumulation zone
lighter in color bc of less humous and more clay content

Question 11

C HORIZON

Answer 11

parent material
outside of pedogenesis
unconsolidated rock

Question 12

R HORIZON

Answer 12

bedrock
consolidated rock

Question 13

SOIL COMPONENT

Answer 13

25% air
25% water
45% mineral
5% organic matter

Question 14

REGOLITH

Answer 14

O, A, B ,C

Question 15

solum

Answer 15

A, B