In Soils Where Nitrogen Is Limiting, _____ Is a Major

question 14

Multiple Choice

In soils where nitrogen is limiting, _____ is a major and direct source of nitrogen.

• A)nitrate
• B)ammonia
• C)organic nitrogen
• D)nitrite
• E)N₂

---

Definitions:

Token Economy

A behavior modification system that utilizes token reinforcement for desired behaviors, which can later be exchanged for privileges or treats.

Milieu Therapy

A therapeutic approach that utilizes the environment and community within a psychiatric hospital or residential facility to promote healing and change.

Antipsychotic Drugs

Medications used to manage psychosis, including disorders like schizophrenia, by affecting neurotransmitter levels in the brain.

Antihistamines

Medications used to relieve or prevent the symptoms of allergies by blocking the action of histamine.