Earth systems & resources

Which of the following is the most correct definition of soil?

• A complex of minerals that provide energy for plant growth

• A complex mixture of organic matter, minerals, and living organisms

• A mass of dead organic matter and detritus; dirt

• An elaborate mixture of organic matter and minerals

Which of the following horizons of soil is the most Organic or contains Humus?

• A

• E

• B

• O

Tags

NGSS.MS-LS2-3

Which soil Horizon is known for storing our water table, and the zone of leaching or aeration.

• A

• E

• O

• B

Tags

NGSS.MS-ESS2-4

Mineral particles in the soil derived from

• Underlying bedrock

• Materials transported and deposited by glaciers

• Materials transported and deposited by rivers

• Materials transported and deposited by wind

• All of these are correct

Tags

NGSS.MS-ESS2-1

What type of soil is sticky, elastic, and impermeable?

• Sands

• Organic matter

• Living organisms

• Clay

Which of the following cannot be found in soil?

• Fungus and algae

• Algae and bacteria

• Insects and bacteria

• Insects and fungus

• All of these are found in soil

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

Salinization is a common agricultural problem in which of these regions?

• Arid

• Cold

• Tropical

• Humid

• Windy

Climate is described as _____ weather conditions

• Annual

• Long term, regional

• Temporary

• Temporary, local

Tags

NGSS.MS-ESS2-6