As Free Oxygen Increased in the Early Atmosphere

question 40

Multiple Choice

As free oxygen increased in the early atmosphere,

• A)most anaerobic organisms perished.
• B)some anaerobic organisms survived in seafloor sediments.
• C)organisms evolved pathways for detoxifying oxygen.
• D)the amount of UV radiation reaching the earth decreased.
• E)all of these happened.

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Definitions:

Depression

Depression is a mental health disorder characterized by persistently low mood, a feeling of sadness, and a lack of interest or pleasure in daily activities.

Organic Disorders

Medical conditions caused by physiological changes in the body's tissues or organs that affect psychological functioning.

Schizophrenia

A mental disorder characterized by disrupted thought processes, perceptions, emotional responsiveness, and social interactions.

Expectancies

Beliefs or assumptions about the likelihood of future events occurring, often influencing individuals' behavior and decision-making.