The valleys around the nile, euphrates, and tigris rivers were probably

a.
where the first farmers settled.

b.
the location of a major battle between egyptians and sumerians.

c.
a glacier in ancient times.

d.
first discovered during the 1700s.

Which of the following lakes is not found in africa?

Many rivers in central asia come from

Which of the following statements best describes what is occurring in the land surrounding the sahara desert? a desertification is increasing, and the desert is expanding. b. fewer people are trying to farm in this semiarid region. c. the desert is shrinking with the increased use of irrigation. d. increased urbanization has resulted in decreased deforestation. select the best answer from the choices provided mark this and return save and exit next submit