Why Are Soil Colloids Important in Soils

question 20

Multiple Choice

Why are soil colloids important in soils?

• A)Soil colloids are an indication of soil moisture.The higher number of colloids,the greater the soil moisture is.
• B)Without colloids,leaching would dissolve important chemicals from the soil,making them unavailable to plant.
• C)Soil colloids have a neutralizing effect,increasing the overall alkalinity of soil and making them prime for certain agricultural crops.
• D)As one of the shapes of an individual ped,soil colloids control rooting of plants.
• E)Soil colloids is a measure of the maximum water available for plants use after the water has drained from large pore spaces.

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Definitions:

Bolles

Bolles typically references Robert C. Bolles, a psychologist known for his research in learning, motivation, and fear. He proposed the theory of Species-Specific Defense Reactions (SSDRs), explaining how organisms respond to threatening stimuli.

Little Albert

Refers to a famous psychological experiment by John Watson, demonstrating how phobias can be conditioned in humans.

UCS

An acronym for Unconditioned Stimulus, which in classical conditioning is a stimulus that naturally triggers a response without the need for prior learning.

White Rat

In psychological experiments, particularly those related to the development of phobias, a white rat might be used as a neutral stimulus before conditioning occurs.