Respuesta :
The correct answer to this question is letter "C. Chest Straps." The technology that can work with another portable device to monitor your THRZ is the chest straps.
Here are the following choices:
A. Bathroom scale
B. Heart pills
C. Chest straps
D. Digital pedometer
Here are the following choices:
A. Bathroom scale
B. Heart pills
C. Chest straps
D. Digital pedometer