Which element causes proteins in the sarcomere to change shape?

Fundamental emotions or emotions that are learned and are highly complex true or false

What is the answer to this particular question i have in health

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