Which compositional layer is a hot, convecting layer of rock?

Based on the information in the graph, what can you conclude about humans in the world in general?

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 difference between the formation and characteristics of intrusive igneous rock and extrusive igneous rock?