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 womb <em>protects the fetus during pregnancy.
I hope this helps!
~kaikers
</em>
The three main functions of the human digestive system are to break food down into chyme for the body's use, to secrete and absorb nutrients and bodily fluids into the gastrointestinal tract or the blood, and to store and eliminate waste. The digestive system has major parts and accessory parts.
A. all the events are strictly judged to precise rules.
Explanation:
Not B since the X games are a US event.
Not C since the X games are held annually.
Not D since the events have been changed.
