In a couple of sentences, why is it recommended to go back and retest for HIV after three months?

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

The structure shared between the male reproductive system is the

The heart and lung are located in which cavity ? thoracic