How do opioids affect the brain? :) I WILL GIVE BRAINLIEST

Of good nutrition because it is essential to all forms of metabolism in the body

Which barrier to economic development is shown in the following examples? i. the high rate of hiv infection in underdeveloped nations ii. the use of children as soldiers in uganda’s army in the early 2000s iii. low literacy rates in underdeveloped nations with limited exposure to adequate education a. foreign debt b. political instability c. widespread disease d. low levels of social welfare

An _ exposure is a repeated or prolonged exposure(over months or years) that may bring about slowly developing symptoms.