What does earth s crust and uppermost mantle form?
a. asthenosphere
b. hydrosphere
c. lithosphere
d. atmosphere

Which of the following is defined as combinations of soil particles that vary in size and shape?

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)

Since 1980, which three countries have either attacked or been attacked by iraq? a. iran, turkey, united states b. iran, israel, jordan c. iran, kuwait, united states d. iran, saudi arabia, egypt