A 3-Hectare Lake in the American Midwest Suddenly Has Succumbed

question 41

Multiple Choice

A 3-hectare lake in the American Midwest suddenly has succumbed to an algal bloom. What is the likely cause of eutrophication in this lake?

• A) increased solar radiation
• B) introduction of non-native tertiary consumer fish
• C) nutrient-rich runoff
• D) accidental introduction of a prolific culture of algae
• E) iron dust blowing into the lake

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Definitions:

Acute Stress Disorder

A mental health condition characterized by the development of severe anxiety, dissociation, and other symptoms that occur within one month after exposure to a traumatic event.

Posttraumatic Stress Disorder

A mental health condition triggered by experiencing or witnessing a terrifying event, leading to symptoms such as flashbacks, nightmares, and severe anxiety.

Skipped Generation

A family structure where children are raised by their grandparents, bypassing the parental generation.

Nuclear

Pertains to processes, reactions, or material derived from the nucleus of an atom, often used in the context of energy production or weaponry.