Today, one of mexico city’s greatest environmental and technical challenges is coping with a. the loss of arable land b. sinking land c. extreme drought d. population decline

Does anyone know the answers for these

The chemical or mechanical process by which rock is gradually broken down eventually becoming soil

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