If magma or lava cools quickly, the resulting igneous rock will have

The physical processes that create most of earth's physical features, including mountains, are known as

What is the famous rainforest in costa rica called?

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