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Astructural difference between the trachea and esophagus that prevents the trachea from collapsing is the presence of: a) smooth muscle b) skeletal muscle c) respiratory cilia d) rings of cartilage

Almost all states designate a group of professional as mandatory reporters of suspected child abuse or neglect. is it only school administration staff are included on nearly every list?

1. alcohol first impairs your a. motor skills b. judgment c. color recognition