Soil Formation And Classification

Question 1

Parent material

Answer 1

From which the soil had been made

Question 2

Igneous rock

Answer 2

Magma or lava solidifies

Question 3

Sedimentary rock

Answer 3

Layers of sediment that were deposited at the bottom of the ocean

Question 4

Metamorphic rock

Answer 4

Heat or pressure is applied to sedimentary and igneous rocks

Question 5

Physical weathering

Answer 5

The break down of rocks into sediments

Question 6

Chemical weathering

Answer 6

Chemical reactions that brings about change in rock minerals

Question 7

Hydrolysis

Answer 7

Hydrogen ions in the water react with rock minerals

Question 8

Hydration

Answer 8

Addition of water to rock minerals

Question 9

Carbonation

Answer 9

Dissolving carbon dioxide in water

Question 10

Lichen

Answer 10

Algae and fungi

Question 11

Biological weathering

Answer 11

Micro organisms secrete acids that dissolve the rock

Question 12

Topography

Answer 12

Slope of the landscape

Question 13

Soil profile

Answer 13

The materials provided by parent rock

Question 14

Leaching

Answer 14

When materials go through the A horizon down into the B horizon

Question 15

Ombrotrophic peat

Answer 15

Water and nutrients from low precipitation

Question 16

Minerotrophic peat

Answer 16

Water and nutrients from low precipitation