Find the measure of the missing angles.
102°

What structure on the south african coast has a range of 63 km and releases flashes every 30 seconds?

What way does renewable energy differ from nonrenewable energy?

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