soil

Question 1

give 5 examples of decomposers

Answer 1

snail, earthworm, mite, millipede, slug

Question 2

give 5 examples of burrowing animals

Answer 2

skunk, chipmunk, burrowing owl, earthworm, fox

Question 3

what is FeO2 and what is the formula

Answer 3

Iron Oxide (Rust) formula is Fe + O2

Question 4

what is CH2O3 and formula

Answer 4

Carbonic Acid, C1O2 +H2O1

Question 5

describe the phases of soil development

Answer 5

1. weathered bedrock creates horizon C; 2. horizon C is weathered and nutrients added+horizon A formed; 3. plant roots grow; 4. horizon B is formed and horizon O is forming and rain water starts leaching nutrients

Question 6

explain what happens at phase 4 of soil formation

Answer 6

horizon b is formed, horizon o is formed, rainwater washes down nutrients into horizon b

Question 7

explain what happens at phase 3 of soil formation

Answer 7

plants roots weather horizons a and c

Question 8

explain what happens at phase 2 of soil formation

Answer 8

animals and plants add organic material, horizon a is formed

Question 9

what causes weathering

Answer 9

climate, plants and animals, water and oxygen

Question 10

components of soil

Answer 10

water, air, loose weathered material, dead organic material, minerals