Which of the Following Is Not Correct Regarding the Pleistocene

question 6

Multiple Choice

Which of the following is not correct regarding the Pleistocene?

• A)It represents a single,continuous cold spell.
• B)At its height almost a third of Earth was covered with ice.
• C)It began 2.6 mya and had at least 18 glacial/interglacial cycles.
• D)Ice sheets were far more extensive in the Northern Hemisphere than the Southern Hemisphere.
• E)In some areas,the ice sheets were more than 2 km (1.2 mi)thick.

---

Definitions:

Depression

A psychiatric condition marked by a continuous low mood or a lack of enjoyment in hobbies, significantly disrupting everyday functioning.

Prefrontal Cortex

The front part of the frontal lobe of the brain, involved in planning complex cognitive behavior, personality expression, decision making, and moderating social behaviour.

Transcranial Magnetic Stimulation

A noninvasive procedure that uses magnetic fields to stimulate nerve cells in the brain to improve symptoms of depression.

Deep Brain Stimulation

A neurosurgical procedure where electrodes are implanted in particular brain areas to treat various neurological conditions through electrical impulses.