Jelaskan kertas perkembangan masa anak-anak dengan masa remaja​

Which of the following areas have the highest population density? a) quebecb) united statesc) californiad) new york city

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

What is the thickest layer of earth called?