I need help i dont know how to do this somebody pls help me with this

Which of the follow is good way to gauge musculature endurance?

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

Which influences are classified as part of your social environment? a) traits b) friends c) habits d) foods? me !