Ch 12 Soil and Agriculture

Food security has to do with

• A country's dependence on cash crop exports

• Preventing wars over diminishing food supplies

• The ability of a population to obtain food on a day to day basis

• The total volume of food a country imports

• The total volume of aid a country receives

Tags

NGSS.MS-LS2-1

Anemia is a common disease resulting from a shortage of dietary

• Protein

• Iodine

• Iron

• Vitamin A

• Folic Acid

What are two common diseases that result from protein deficiencies?

• Dysentery and diarrhea

• Dysentery and scurvy

• Scurvy and pellagra

• goiter and cretinism

• Marasmus and kwashiorkor

The parent material layer of a soil is composed of weathered

• Humus

• Organic dirt and roots

• Residual aluminum and iron

• Soil

• Rock fragments

Waterlogging results from

• Toxic metal accumulation

• Excessive irrigation

• Excessive plowing

• Natural wind erosion processes

Movement of soil and rocks from one place to another is called...

• weathering 
• humus
• erosion

Tags

NGSS.MS-ESS2-2

Breaking down or wearing away of rocks is called....

• weathering
• humus
• erosion 

Tags

NGSS.MS-ESS2-2

Using the soil triangle  what is 20 clay, 60 silt, 20 sand? 

• clay
• silt loam
• loam
• sandy loam

GMO stands for 

• Genetically modified organism
• Genetically made organism
• Generically made organ
• Generically modified organism

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-5

What are monocultures? 

• Groups of people who practice one method of farming.
• Large expanses of a single crop type. 
• A farming method where one type of pesticide is used.
• A farming where multiple crops are planted in one field.