Help please? :c i will give brainless

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)

Dose local topography and sea surface temp contribute to differences in climate between baeious localities

In the diagram, δgef and δhef are congruent. what is the value of x?