What does the combination of letters and numbers in the C-12F Huron signify

The career field ensures that facilities and equipment run smoothly.

An average of floridians die every day in impaired driving collisions

Critics claim that the biological theory of personality may be problematic for research due to which of the following? a. there is already too much theoretical work concerning biological influences on personality. b. biological influences on personality are impossible to scientifically research. c. the biological theory provides little structure to direct or guide research. d. biological theorists have had difficulty establishing supportive research for the biological perspective.