Lucille has been told she needs to improve her heart health and she is ready to get started. there are many activities she is considering for her new tou tune, but she knows she must first calculate her target heart rate zone. when is the best time for her to begin gathering data to do this calculations?

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