The Very High PH Levels Found in Some Arid Region

question 63

Multiple Choice

The very high pH levels found in some arid region soils are most likely due to high levels of exchangeable _____.

• A) Al³⁺
• B)Al(OH)₂₊
• C) Ca²⁺
• D)Mg²⁺
• E)Na⁺

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Definitions:

UCR

Unconditioned response, a natural and automatic reaction to an unconditioned stimulus without prior learning or conditioning.

CS

Short for Conditioned Stimulus, it is a term used in classical conditioning to denote a previously neutral stimulus that, after becoming associated with the unconditioned stimulus, eventually triggers a conditioned response.

Reinforced Schedule

A concept in operant conditioning that outlines how often a behavior is reinforced, influencing the frequency and predictability of the behavior.

Schedules of Reinforcement

The rules that determine how and when certain responses will be reinforced in operant conditioning.