Which condition is a risk to unborn babies whose mothers smoke decreased oxygen viral inflection bacterial inflection lymph cancer

Decreased oxygen would be the right answer 

The answer is decreased oxygen. Whatever the mother does will definitely affect the baby’s health, so smoking will decrease the mothers as well as the baby’s oxygen.

Think it's rice because in many countries rice is the main food so it can be traditionally served all at once.

20 times a minute is usually the average respritory rate of an adult. additionally the patient is breathing on his own, is clearly maintaining his airway, and is intaking a sufficient amount of air. you shouldn't use a bag valve mask, cpap, or other form of positive pressure ventilation, unless the patient has lost control of his airway, and is not breathing (apneic) or has rapid breathing or slow and shallow respirations. this patient would most likely and should be put on an non-rebreather mask or nrb attached to 100% high flow oxygen at 15 l/min. don't use a nasal cannula, as the amount of oxygen it provides is limited with a rate of 6 l/min.