BMI between 18.5 to 24.9 is required to have optimal cardiorespiratory fitness because weight directly affects the cardiorespiratory fitness.
I believe the word your missing is "absolute" hope it helps:)
TRACEM-P stands for :
T- Thermal
R- Radiological
A -Asphyxiation
C- Chemical
E- Etiological
M - Mechanical
P - Psychological >> Your answer
B.........the past teacher