<prompt> The most effective intervention to reduce newborn and child deaths is?Exclusive breastfeeding for 1st 6 monthsVitamin D supplementation for 1st year of lifeIron supplementation from 6 to 12 months ageTemperature control in the neonatal period  <response>: The most effective intervention to reduce newborn and child deaths: Exclusive breastfeeding for 1st 6 months It has reduces moality by 13 