Sergio is eleven. His voice is deeper than it used to be, and his muscles are bigger. These changes illustrate which of the following puberty-related terms? Gonadotropin-releasing hormone

secondary sex characteristics

precocious puberty

primary sex characteristics

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

If you are having a hard time lifting something, you should arch your back. a. true b. false

Match the serving size with the correct type of food. a steak: rice: celery: coleslaw: chicken: a muffin: answer choices : size of your palms, size of your fingers, unlimited, cut in half