Describe HOW and WHY does air pressure change with altitude in the
atmosphere? *

Facilitates growth and change in neurons and the migration of neurons to different sites in the brain

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a. an ionic bond is formed between the oxygen and carbon atoms. b. four valence electrons are shared. c. two valence electrons are shared. d. valence electrons are shared between oxygen atoms.

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