Arock is created when extreme heat and pressure create chemical changes or a tighter packing of minerals in a previously existing rock.
a. volcanic
b. igneous
c. chemical
d. metamorphic

Write a 150-word essay describing the effect of people's activities on the environment in the region.

Read the article titled "trans-saharan migration routes to north africa and the eu: historical roots and current trends." why do tens of thousands of sub-saharan africans try to cross the mediterranean each year? how are these refugees commonly portrayed? (site 1)

Which region was the hearth for the largest number of agricultural animals such as pigs sheep and cows