A "Caliche Layer" in Soil Is

question 8

Multiple Choice

A "caliche layer" in soil is

• A) a hard layer formed by precipitation of calcium carbonate (CaCO₃).
• B) a hard layer formed by precipitation of nitrates (KNO₃, MgNO₃) from over-fertilization.
• C) a water-absorptive layer of peat.
• D) a layer of younger soil overlaying an old, depleted soil.
• E) a layer polluted with heavy metals.

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Definitions:

Stress-Related Illness

Health problems, either physical or psychological, that are directly or indirectly caused by chronic stress.

Neuroticism

A personality trait characterized by anxiety, moodiness, worry, envy, and jealousy, considered one of the Big Five personality traits.

Hardiness

A personality trait characterized by resilience and the ability to endure difficult conditions, often associated with a lower perception of stress and more effective coping strategies.

Indirect Health-Related Behaviors

Actions that may not directly aim to improve health but have secondary effects that can influence health outcomes, such as socializing or sleeping habits.