The rivers that are labeled with the numbers 3 and 4 on the map above include the and the rivers .

a. thames
b. tagus
c. po
d. po

These factors threaten north americas ecosystems

Which movement developed in the early 1900s and encouraged the nationalist spirit of africans throughout the world? a. african nationalist b. tribalism c. pan-africanism d. african union

Mexico city is an example of how humans alter their environment because it was a. one of the world’s largest cities b. built on drained and filled lake beds c. built after conquest by the spanish d. once the capital of the aztec empire