Which of these scientific inventions came last? A) radios
B) telephones
C) cars
D) computers

Long ago, people who lived in coastal north africa most often interacted with

Based on this map, which statement about africa’s economic activity is most accurate? a) coastal countries are all members of opec b) economic development is more common with opec nations c) coastal countries have more access to productive resources d) economic development is more common above the sahara desert

:calculate the sum of the interior angles of a 13-sided polygon.