Of the Naturally-Occurring Elements on Earth Today, Identify by Their

question 20

Essay

Of the naturally-occurring elements on earth today, identify by their chemical symbols
a. two which would have resulted directly from the "big bang".
b. one which can only be formed in supernova explosions.
c. two which are formed during the normal life of first generation stars.

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Definitions:

Spinal Cord

The main pathway for information connecting the brain and peripheral nervous system.

Neurons

Special cells within the nervous system that communicate information via electrical and chemical signals.

Cerebellum

A part of the brain at the back of the skull in vertebrates, which is responsible for coordinating and regulating muscular activity.

Amygdala

A region of the brain involved in experiencing emotions, notably fear and pleasure, and in forming emotional memories.