What is an estuary?
a. an area of fresh water teaming with life and nutrients
b. an area where ocean water mixes with stagnant water
c. an area where fresh water mixes with stagnant water
d. an area where ocean water mixes with fresh water

How did the europeans design the national borders of africa? why?

What was istanbul called before he ottomans conquered the city in the 15th century

Rah is completing a school project on the expansion of fast food restaurants across the united states. she finds a map that shows a clear pattern of restaurants beginning in the east and expanding west. this map was most likely created using the technology of