Imma says intellectual...
Considering that intellectual deals with the Brain, skills, etc, I would say it is the best choice because reading helps in the development of the brain.
<span>the one that is NOT a factor in efficiency is: D. digestion
highest effiiency refer to a condition when your body is capable to perform with a great result with the least amount of effort.
Digestion does not necessarily infliuence the musle movement in your body and therefore could not be considered as one of the factors</span>
D I agree with you...................................................................
The answer would be “descriptive statistics”.
A regular person like you and me going shopping and using our civilian money