Which of the Following Is CORRECT Regarding Arctic Sea Ice

question 6

Multiple Choice

Which of the following is CORRECT regarding Arctic sea ice?

• A)Summer sea ice reached its minimum extent in 2001 and has gradually increased since then.
• B)In the summer,most to all sea ice melts,only to refreeze in the winter.However,less water has been refreezing over the past decade.
• C)Until recently,seasonal variations in sea ice extent were rare.
• D)Since 1979,summer sea ice minimum extent and winter sea ice maximum extent have declined.

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Definitions:

Reticular Formation

A network of neurons located in the brainstem that is involved in controlling arousal, wakefulness, and attention.

Distractions

External or internal factors that divert an individual's attention away from their intended focus or task.

Medulla

An essential part of the brainstem involved in regulating several vital functions, including breathing, heart rate, and blood pressure.

Central Nervous System

The part of the nervous system that comprises the brain and spinal cord, responsible for processing and sending out information.