Which are two cities of Pennsylvania?

Trenton
Philadelphia
Pittsburgh
Dover

What path do global winds follow due to the coriolis effect? a curved path a random path a straight path a vertical path

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)

How many time zone are there on earth