4.01

The mineral and organic matter that forms soil is called

• capillary water

• clay

• humus

• parent material

Tags

NGSS.MS-LS2-3

Soils that contain 50% solid materials and 50% pore space with half of the pore space containing water and the other half filed with air, are considered

• eroded

• ideal

• poor

• saturated

Which layer of soil also called subsoil has little organic matter and more minerals than the A horizon

• B horizon

• organic layer

• parent material

• R horizon

The science of soils is properly called

• biology

• dirtology

• pedology

• soilology

If a soil was foudn to be 80% sand, 10% clay, and 10% silt, the soil would have

• fast drainage

• slow drainage

• perfect drainage

• moderate drainage

Roy was discussing soils with his instructor and was told that granular, platy, and blocky are terms sometimes used to describe soil characteristics. Which soil property was the instructor describing

• color

• permeability

• structure

• texture

What is the atomic mass of Beryllium?

• 3.01

• 4.01

• 5.01

• 6.01

Which of the following is the pH of a neutral solution at 25°C?

• 4.01

• 5.01

• 6.01

• 7.01

A solution has a concentration of 4.01 M. What does 'M' stand for?

• Molarity

• Molality

• Moles

• Mass

Tags

NGSS.HS-PS1-5

The speed of sound in air is approximately 343 m/s. If a sound wave travels for 4.01 seconds, how far does it travel?

• 1375.43 m

• 1376.43 m

• 1377.43 m

• 1378.43 m