How did the natural wonders of Africa inhibit the spread of the Egyptian civilization?

The Sahara Desert limited how much land the Egyptians could settle.
Unpredictable flooding made much of the Nile River Valley too dangerous to develop.
Mount Kilimanjaro on the southern end of the Nile River confined trade to people within Egypt.
The Ngorongoro Crate prevented the Egyptians from trading with people who lived upriver.

#4.) describe the most likely weather conditions at indiana / ohio boarder. also could someone double check my other answers? i'd really appreciate it

Astudent conducts an experiment to see how music affects plant growth. the student obtains four identical plants. each one is potted in the same type of soil and receives the same amount of sunlight and water each day. plant a listens to classical music for three hours each day. plant b listens to rock music for three hours each day. plant c listens to country music for three hours each day. plant d does not listen to any music at all. 2. based on the experiment in the scenario, which visual aid would be most in showing the change in the plants' heights over time? a. a pie chart b. a line graph c. a timeline d. a bar graph

Unlike other andean nations, chile has a relatively small population of mestizos people of european descent indians people of asian descent