The level of the oceans' surfaces is known as level.
a. atmospheric
b. surface
c. volcanic oceanic
d. sea

Which biochemical cycle is relied upon for plant photosynthesis

Which is a result of the emission from the use of fossil fuel

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)