Hey there!
Increasing ventilation in enclosed spaces would for sure improve indoor air quality.
Keeping pets indoors, using darker paint on all interior walls installing sunscreens in all windows would not help improve indoor air quality.
I hope this helped! :-)
~Gabyngreen
The answer is B, because muscle endurance let's you do things like running for longer periods of time and muscular strength let's you do things like lift heavy weights.
