How does the sun shine more in alaska than the united states

How much water is in the ocean in cubic kilometers

What body of water is the second cataract of the nile river submerged under

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)