Which type of fossil is useful for correlating the rock strata (layers) in which they are found?
O staple fossil
O variable fossil
O index fossil
O directional fossil

Where is the world’s shortest commercial runway?

Match the following items. 1 1 (4,4) 2. (-4,-2) 3. (3.-6) 4. (-4, 6) 5. (1,5)

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)