Diatoms Are Characterized by ____,And Are the Source of Economically

question 77

Multiple Choice

Diatoms are characterized by ____,and are the source of economically useful_____.

• A)calcium carbonate shells; ozone
• B)calcium carbonate sheaths; petroleum
• C)silica shells; diatomaceous earth
• D)silica sheaths; limestone
• E)silica carbonate shells; diatomaceous earth

---

Definitions:

Depressive Episode

A period marked by a severely depressed mood or a loss of interest in activities, affecting the individual's daily functioning.

Dissociative Identity Disorders

A severe form of dissociation, a mental process which produces a lack of connection in a person's thoughts, memories, feelings, actions, or sense of identity, often characterized by the presence of two or more distinct personality states.

Extreme Emotional Trauma

Intense psychological distress resulting from experiences of severe stress or shock, often leading to lasting mental and emotional changes.

Neurotransmitter Imbalance

A condition where the levels of neurotransmitters in the brain are not in a balanced state, potentially affecting mood and behavior.