What two aspects of internal control must the auditor assess when performing procedures to obtain an understanding of internal control?

An atom of nitrogen had seven protons in its nucleus. how many electrons does it have

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.

Identify the composition of oceanic and continental crystal rocks. in a model of earth’s interior, where would these rocks appear?