Not quite sure what this is supposed to be a question or a statement
Answer:
it is not clear
but I think you are mean a oxidation state for element or compound ( molecule )
like -4 in [Cr(CO)4]4−
Verbal and nonverbal.
They would look for shakiness of the voice (verbal) or darting eyes (nonverbal), and other things to that same effect.
The answer should be "Dunes"
Q = mCpΔT —> Solve for Cp —> Cp = q/mΔT
q = -6700 J (negative because it released heat
m = 70 g
ΔT = Final temp - initial temp = 25 - 90 = -65°C
Cp = -6700 J / (70 g)(-65°C) = 1.47 J/g°C