When you fell down remember someone needs u don't give up

Describe the concept of interval training. what is the benefit of this type of training?

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 finger should not be used when measuring heart rate?