Is there an air flow through the house? if so, does the air flow in the window and out the chimney, or in the chimney and out the window? choose the correct explanations.

In which way does nicotine cause addiction? by stimulating the brain’s pleasure center by increasing blood-sugar levels by decreasing dopamine levels by reducing depression and anxiety

Minor illnesses: a.) decrease the risk of sids b.) increase the risk of sids c.) increase the risk of hospitalization d.) decrease the risk of allergies e.) increase the risk of allergies

The type(s) of air pollution you will be discussing