Read the Following Scenario and Answer the Question Below

question 43

Multiple Choice

Read the following scenario and answer the question below.
Mercury is a heavy metal that occurs naturally in minerals and rocks. Release of mercury from natural sources has been relatively constant over time. However, anthropogenic release of mercury has increased significantly in recent years primarily due to increased fossil fuel mining and combustion. Mercury that is released into the air eventually ends up in soils or surface water. Once in water, microbes convert mercury into methyl mercury, which is absorbed quickly and concentrated in the tissues of predatory fish such as shark and swordfish. Large fish typically concentrate more mercury than small fish.
People who eat fish with high methyl mercury concentrations can show tremors, deafness, muscle incoordination, and attention deficits. Pregnant women and children are especially sensitive to methyl mercury's toxic effects. Learning disabilities and developmental delays are common in children who have been exposed to significant levels of methyl mercury.
-A naturally occurring substance that is potentially toxic to people is _____________.

• A)bispnenol- A
• B)carbon dioxide
• C)radon gas
• D)Salmonella
• E)DDE

Explain the significant contributions and findings from key memory researchers such as Ebbinghaus.

Understand the structure and function of working memory and its components.

Familiarize with the Atkinson-Shiffrin model and Baddeley's model of memory.

Recognize how practice and rehearsal influence memory retention over time.

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