Respuesta :
The answer is definitely B. When lying down your body is not enduring any activity.
Lying on the couch playing video games is the lowest level of intensity.
What do you mean by intensity?
- "The magnitude of a quantity (such as force or energy) per unit (as of area, charge, mass, or time) is called intensity."
- While sprinting or walking the magnitude of intensity is more as activity is done whereas while lying no activity is done.
Hence, the correct option is B. lying on the couch playing video games.
To know more about intensity here
https://brainly.com/question/21707419
#SPJ2