Soil

Question 1

The natural formation of soil is influenced negativly by

Answer 1

Irrigation, Weathering, Farming

Question 2

The process of water moving down through the soil is called

Answer 2

percolation

Question 3

____Influences other traits like percolation and capillary action to occur

Answer 3

Porosity

Question 4

The most expensive type of landfill is

Answer 4

Secure

Question 5

Which of the following is not affected by deforestation

Answer 5

Soil erosion, soil productivity, precipitation amounts are all impacted

Question 6

THe gas that is produced as organic matter is decompsed by bacteria in a landfill, which can used and harvested for energy

Answer 6

Methane

Question 7

_____ aRE sometimes lower yield farms but more eco-friendly

Answer 7

polycultures

Question 8

_____ chemicals that cause birth defects

Answer 8

Teratogens

Question 9

THe process of_____is typically done outside of very weathy countries at it uses cheaper land for cattle

Answer 9

desertification

Question 10

____oxygen readings in the soil would indicate high population of ____

Answer 10

High

autotrophs

Question 11

THe most common waste product found in municipal dump

Answer 11

Paper

Question 12

____ is the process of planting different species of plants at the same time (planting them together)

Answer 12

Intercropping

Question 13

The process of water logging_____soil salinity

Answer 13

increases

Question 14

Factory waste would be classified as ____waste

Answer 14

non-municipal

Question 15

Looking for ions in the soil is about measuring the soils ____

Answer 15

productivity

Question 16

___ soil should show the most productivity because of its richness

Answer 16

Humus

Question 17

____ erosion occurs faster if compaction of soil has occured

Answer 17

gully

Question 18

When considering farming, the layer of soil that is considered the most productive is

Answer 18

Surface litter

Question 19

World food comes from croplands/grains

Answer 19

77%

Question 20

Worlds food comes form livestock

Answer 20

16%

Question 21

No directly or indirectly from soil

Answer 21

7%

Question 22

Directly or indirectly food comes from soil

Answer 22

93%

Question 23

Soil profile

Answer 23

View of a cross section of soil

Question 24

5 main soil types

Answer 24

Humus
Clay
Silt
Sand
Gravel

Question 25

5 main important physical properties that allow us to classify soil

Answer 25

``` Color Structure Texture Density Capillary & Percolation rate ```

Question 26

3 main Soil Types & Texture

Answer 26

Sand- largest particle - gritty Silt- medium particle - floury/grainy Clay- smallest particle - smooth/silky

Question 27

3 types of erosion

Answer 27

Sheet, rill, gully

Question 28

Current Farming Practices

Answer 28

Monoculturing

Question 29

Problems with Monoculturing

Answer 29

Makes soil quality decline Reduces genetic diversity in plants Increase use of pesticide, energy, and water to grow these plants Larger equipment which compacts soil

Question 30

When more water is used what results

Answer 30

Water-logging | Deforestation that leads to desertification

Question 31

4 ways to be more Eco-friendly

Answer 31

Polyvarietal Cultivation: planting several genetic varieties of the same crop Intercropping: two different crops grown at the same time in a plot Agroforestry: crops and trees are grown together Polyculture: more than 2 different plants are planted together

Question 32

Before the Solid Waste Disposal Act we did what with our trash

Answer 32

Burned

Question 33

2 basic categories of solid wastes

Answer 33

Non municipal waste: industry/large scale production Municipal: residences, small businesses and city buildings

Question 34

Carcinogenic

Answer 34

Cause cancer

Question 35

Mutagenic

Answer 35

Chase DNA mutations

Question 36

Teratogenic

Answer 36

Cause birth defects

Question 37

2 types of landfills

Answer 37

Sanitary Secure

Question 38

Liquid that may contain toxic chemicals

Answer 38

Leachate

Question 39

Most effective way to decrease the amount of trash

Answer 39

Reduce Reuse Recycle